Alternatives to Cyrus IMAP
Compare Cyrus IMAP alternatives for your business or organization using the curated list below. SourceForge ranks the best alternatives to Cyrus IMAP in 2026. Compare features, ratings, user reviews, pricing, and more from Cyrus IMAP competitors and alternatives in order to make an informed decision for your business.
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1
MailEnable
MailEnable
MailEnable provides an end to end solution for providing secure email and collaboration services. A recent independent survey reports MailEnable as the most popular Windows Mail Server Platform in the world. Whether you are a hosting company providing email services to thousands of end users or a small business with a single domain, MailEnable provides a solution that will impress your mail users. MailEnable provides Windows Mail Server software with features comparable to Microsoft Exchange. It provides powerful messaging services like Exchange ActiveSync, IMAP, SMTP, POP3 and collaboration tools such as calendaring (CalDAV), contacts (CardDAV), tasks and notes.Starting Price: $349 -
2
Mailu
Mailu
Mailu is a simple yet full-featured mail server as a set of Docker images. It is free software (both as in free beer & as in free speech), open to suggestions and external contributions. The project aims at providing people with an easily setup, easily maintained and full-featured mail server while not shipping proprietary software nor unrelated features often found in popular groupware. Main features include: Standard email server, IMAP and IMAP+, SMTP and Submission with autoconfiguration profiles for clients Advanced email features, aliases, domain aliases, custom routing Web access, multiple Webmails and administration interface User features, aliases, auto-reply, auto-forward, fetched accounts Admin features, global admins, announcements, per-domain delegation, quotas Security, enforced TLS, DANE, MTA-STS, Letsencrypt!, outgoing DKIM, anti-virus scanner, Snuffleupagus, block malicious attachments Antispam, auto-learn, greylisting, DMARC& SPF, anti-spoofingStarting Price: Free -
3
SOGo
SOGo
SOGo is a fully supported and trusted groupware server with a focus on scalability and open standards. SOGo is released under the GNU GPL/LGPL v2 and above. SOGo provides a rich AJAX-based Web interface and supports multiple native clients through the use of standard protocols such as CalDAV, CardDAV and GroupDAV, as well as Microsoft ActiveSync. SOGo is the missing component of your infrastructure; it sits in the middle of your servers to offer your users a uniform and complete interface to access their information. It has been deployed in production environments where thousands of users are involved. -
4
CyrusOne
CyrusOne
We build our data centers faster thanks to a highly optimized supply chain, which enables us to get equipment, generators and building materials faster than the competition. CyrusOne aligns with customers to partner and support them as they scale with engineering and design services, including power and usage projections, floor planning, connectivity assessments, and implementation scheduling. Its data centers are designed to achieve optimal flexibility no matter the scale. Using hybrid cloud and cloud adjacency, CyrusOne enables the deployment of technology to meet customers’ security and regulatory requirements with minimal latency on workloads. The world is hybrid. With the increased adoption of public cloud services, businesses deploy a mix of IT services across public cloud providers, own data centers or leverage providers such as CyrusOne to gain flexible access to additional data-center capacity for their private cloud requirements. -
5
MLM Superb
Cyrus Technoedge Solution
Cyrus is a leading IT Solutions and IT Consulting Company that provide top quality Software & Services and it is registered under the companies' Act 1956 of India. we provide a wide range of IT services and Software Solution by using most recent internet technologies with expertise and focusing on E-Business solutions. Cyrus Started in the year of 2009 with wonderful Vision & Mission. Cyrus is providing a best in class MLM Networking Management software to manage all the network marketing related operations those are required to run a MLM (Multi-Level Marketing Company), Our brand as MLM Superb. MLM Superb is a software product exclusively designed and developed for all type of Plans Its fully Real Time Web-based application it can be customized according to clients Compensation plan requirement. -
6
Mail-in-a-Box
Mail-in-a-Box
Mail-in-a-Box lets you become your own mail service provider in a few easy steps. It’s sort of like making your own gmail, but one you control from top to bottom. Technically, Mail-in-a-Box turns a fresh cloud computer into a working mail server. But you don’t need to be a technology expert to set it up. Each Mail-in-a-Box provides webmail and an IMAP/SMTP server for use with mobile devices and desktop mail software. It also includes contacts and calendar synchronization. The box also includes other standard mail functionality like spam protection (spam filtering and greylisting), mail filter rules, email client autoconfiguration, and automated backups to Amazon S3 and other services. The box also includes automatic DNS configuration when you let it become your nameserver so that it can set important DNS records for mail deliverability and security including SPF, DKIM, DMARC, and MTA-STS. When enabled, DNSSEC (with DANE TLSA) provides a higher level of protection.Starting Price: Free -
7
Loan Blaster
NBFC Software
Non-banking financial companies (NBFC) and Banks both perform almost similar services to the customers. The main difference between NBFC and bank is that unlike banks, an NBFC cannot issue self-drawn cheques and demand drafts. Cyrus is providing a best in class NBFC Loan Management software to manage all the Loan Related operations those are required to run a NBFC (Non-Banking Financial Company), Our Brand as Loan Blaster (A Loan Management Software. Cyrus is providing fully secured web based Loan Management Software used all type of Loans Users can easily create a Paperless Loan File and process further for Loan Approval online We covers entire life cycle of a loan Management right Like: Loan Product definition, File Processing and documentation, Loan Amount Calculation, Billing, processing of Loan Accounts, foreclosure, and termination Cyrus provides document management solutions for all type of Loan Companies. -
8
Horde
Horde
Horde is the most flexible groupware on the planet, and that makes it the perfect platform on which to build your business productivity software. Horde connects to (and officially supports) more backends (all the leading SQL, LDAP, IMAP, Sieve, SMTP, cache platforms available today) than any other open source groupware system. This means you can continue to use your existing userbase and your users do not have to remember any additional passwords. Horde's feature set rivals the largest enterprise email systems. We have an incredible feature set that compares favorably against any competition in our primary apps (mail, calendar, address book), and even more in our secondary apps (time tracking, wiki, ticketing, and more).Starting Price: Free -
9
Dovecot Pro
Open-Xchange
Dovecot Pro is a full-service email platform that delivers dynamic scalability, high performance, efficient utilization of hardware, and outstanding support to the world’s largest Telcos, ISP's, and Hosters. With a marketshare of 76% of installed email backends, customers trust the performance of Dovecot Pro. Efficient hardware utilization and advanced monitoring tools for statistics and administration reduce ownership costs and save time and maintenance costs. In addition, Dovecot Pro scales up and out to hundreds of servers and millions of users and multiple physical sites. Its stateless native architecture offers maximum flexibility as each major component can be deployed on its own dedicated node. Dovecot Pro provides industry-leading support for all email standards necessary to provide both Mail Delivery Agent functionality (via LMTP and Sieve), and to facilitate mail retrieval by mail clients (via IMAP and POP3). -
10
ContactOffice
ContactOffice
ContactOffice is an online collaboration suite of applications such as Email, Calendar, Documents (cloud storage and online editing), Address book and Chat. ContactOffice can be accessed from any device be it PC, tablet, or mobile phone with a browser. The user has the possibility to share information with other users, through Groups. Group administrators define specific access rights for users in these groups. Users can also share their private space, for instance, a user could share his/her personal Mailbox or Calendar with colleagues without having to share login credentials. ContactOffice supports all standard protocols such as Imap, Pop, CalDAV, CardDAV, WebDAV, ActiveSync, and provides dataportability by offering export modules to standard formats. ContactOffice can create a fully customizable White Label version of its application for enterprises or educational organizations.Starting Price: $5.29/month -
11
Haraka
Haraka
Haraka can serve thousands of concurrent connections and deliver thousands of messages per second. Haraka and plugins are written in asynchronous JS and are very fast. Haraka has very good spam protection (see plugins) and works well as a filtering MTA. It also works well as an MSA running on port 587 with auth and dkim_sign plugins enabled. Haraka makes no attempt to be a mail store (like an exchange or postfix/exim/qmail), an LDA, or an IMAP server (like Dovecot or courier). Haraka is typically used with such systems. Haraka has a scalable outbound mail delivery engine built in. Mail marked as relaying (such as via an auth plugin) is automatically queued for outbound delivery. Haraka's plugin architecture provides an easily extensible MTA that complements traditional MTAs that excel at managing mail stores but do not have sufficient filtering.Starting Price: Free -
12
Cytel
Cytel
Cytel is a leading global provider of clinical trial design software, biometric services, and advanced analytics, specializing in optimizing clinical trials and assisting pharmaceutical companies in unlocking the full potential of their clinical and real-world data. Founded in 1987 by distinguished statisticians Cyrus Mehta and Nitin Patel, Cytel has been at the forefront of adaptive clinical trial technology and biostatistical science. Our software solutions, including the East Horizon platform, empower precise trial design and simulation, utilizing adaptive and Bayesian tools to optimize protocols and accelerate drug development. The East Horizon platform integrates key components of Cytel's trusted software portfolio into a unified solution with R integration, enhancing trial design capabilities. Additionally, Cytel offers the Xact software suite, a comprehensive toolkit for statistical analyses of small datasets, and sparse, and missing data. -
13
Kerio Connect
Aurea
Secure, enterprise-style email, calendar & collaboration without the high cost. Kerio Connect delivers all the features and functionality for collaboration and messaging solution without the complexity and high price tag of other systems. Email is integrated with shared calendars and scheduling, contacts management, tasks, notes, shared and public folders, and instant messaging. Synchronize messages by direct push to your choice of mobile device via Microsoft ActiveSync. Instant Messaging is XMPP-compatible and can be used from various 3rd party chat/IM applications on desktop and mobile phones. You can install Kerio Connect in 10 minutes and users can be up and running in just 10 minutes more. Kerio Connect can be deployed on-premises or in partner-hosted cloud environments. Deploy for users on Mac, Windows, or Linux; plus full support for Outlook (Windows and Mac) and many other IMAP or POP compliant email clients.Starting Price: $36.50 -
14
Courier
Double Precision, Inc.
The Courier mail transfer agent (MTA) is an integrated mail/groupware server based on open commodity protocols, such as ESMTP, IMAP, POP3, LDAP, SSL, and HTTP. Courier provides ESMTP, IMAP, POP3, webmail, and mailing list services within a single, consistent, framework. Individual components can be enabled or disabled at will. The Courier mail server now implements basic web-based calendaring and scheduling services integrated in the webmail module. Advanced groupware calendaring services will follow soon. The Courier mail server's source code should compile on most POSIX-based operating systems based on Linux, and BSD-derived kernels. The Courier mail server should also compile on Solaris and AIX, with some help from Sun's or IBM's freeware add-on tools for their respective operating systems. The Courier mail server evolved out of several related projects, that merged together (more on that later). The Courier mail server implements SMTP extensions for mailing list management.Starting Price: Free -
15
MXroute
MXroute
MXroute has an excessively powerful system to ensure that your non-spam, non-marketing emails get to their destination without worrying about IP reputation. We are, quite simply, obsessed with consistent email delivery and maintaining the highest reputation among mail providers. We support the basic e-mail protocols that you expect. SMTP, IMAP, POP3. We support mail forwarding (aka aliasing), and plus addressing. We offer Afterlogic Pro (w/ CalDAV and CardDAV), Crossbox, Rainloop, and Roundcube for your choice in webmail. We offer a variety of options for obtaining support. We do expect you to understand how to use email and how to configure your DNS to use our service, but we do offer support when you need us.Starting Price: $15 per month -
16
Dovecot
Dovecot
Dovecot is an excellent choice for both small and large installations. Dovecot is among the best performing IMAP servers while still supporting the standard mbox and Maildir formats. The mailboxes are transparently indexed, which gives Dovecot its good performance while still providing full compatibility with existing mailbox handling tools. Dovecot is standards compliant. Dovecot passes all IMAP server standard compliancy tests while most other servers fail many of them. Dovecot’s indexes are self-optimizing. They contain exactly what the user’s client commonly needs, no more and no less. Dovecot is self-healing. It tries to fix most of the problems it notices by itself, such as broken index files. The problems are however logged so the administrator can later try to figure out what caused them. Dovecot tries to be admin-friendly. Common error messages are made as easily understandable as possible.Starting Price: Free -
17
Fin Superb
Cooperative Society Software
is exclusively designed and developed for credit co-operative societies or agro producer company. Its fully web-based – real time application for multi state credit cooperative society, multi branch credit co-operative society, thrift and credit society, micro-finance society. It can be customized according to client's requirement. This software can be called as a mini banking software. As its working for RD, FD, MIS, loan schedules , and Saving account software. This software will cater all the needs and fulfill all the dreams which a society need to buildup. The credit co-operative society software offered by cyrus technoedge Pvt. Ltd. Under the brand name of Fin Superb provides a world in class features and cared with all the small needs in the software ever for future requirements as well. -
18
CyberCoders
CyberCoders
We take a consultative approach to assessing your talent needs and advise you on the best strategies to win top talent. As a national firm, we've been named one of Forbes Best Professional Recruiting Firms multiple years in a row. Our unrivaled recruiting technology Cyrus allows us to deliver qualified candidates fast from anywhere in the US. Our candidates typically interview within 5 days on average. Our exclusive Client Portal makes viewing resumes, comparing your top candidates and requesting interviews easier. Everything is organized for you in a central hub. No more sifting through countless emails to find that specific resume or going back and forth trying to coordinate schedules. Our jobs rank high in search results, so your opportunities get seen by the right people. -
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GoDMARC
Neuailes Global Technologies
Actively block phishing Boost Email Deliverability Get Visibility - DMARC. To secure your inbox and boost email deliverability check your domain status below. What is DMARC? DMARC is an email authentication protocol designed to offer email domain owners the ability to safeguard their dedicated domain from unauthorized usage. DMARC at a Glance Professional DMARC Services. The most commonly used technical term DMARC is the abbreviation for Domain-based Message Authentication Reporting & Conformance. It is a modus operandi that makes the use of Sender Policy Framework (SPF) and Domain Keys Identified Mail (DKIM) in order to identify the legitimacy of a message in the form of an email. Both SPF and DKIM play an important role and DMARC requires them for the specific purpose. It aims to improve and monitor domain protection from the varied fraudulent emails send by fraud minds active in the different corners of the world. With DMARC you can instruct receiving serversStarting Price: $144 -
20
Zentyal
Zentyal
Join Windows® clients to the domain and manage them transparently. No disruption to your users, no user or device CALs. Comes with industry-standard SMTP and POP3/IMAP mail server built upon the most established technologies and protocols. Guarantees reliable and secure Internet access and helps to manage all the basic network infrastructure services. Receive software updates until the EOL-date of each version and get support when needed. Zentyal offers an easy to use Windows Server® alternative. It comes with native compatibility with Microsoft Active Directory® allowing you to join Windows® clients to the domain and manage them easily, causing no disruption to your users. Zentyal includes the industry-standard SMTP and POP3/IMAP mail servers built upon the most established technologies and protocols. Gives you the opportunity to deploy Zentyal as a mail server, domain & directory server with mail or all-in one server.Starting Price: €195 per server -
21
hMailServer
hMailServer
hMailServer is a free, open source, e-mail server for Microsoft Windows. It's used by Internet service providers, companies, governments, schools and enthusiasts in all parts of the world. It supports the common e-mail protocols (IMAP, SMTP and POP3) and can easily be integrated with many existing web mail systems. It has flexible score-based spam protection and can attach to your virus scanner to scan all incoming and outgoing email.Starting Price: Free -
22
MDaemon Email Server
MDaemon Technologies
The MDaemon Email Server was one of the first Microsoft Exchange alternatives offered to businesses around the world. It has been developed with the ongoing input from IT professionals seeking an easy-to-use, reliable, and secure mail server that does not require expensive administration or impose high per-user costs. It simplifies messaging and collaboration with a focus on security and privacy, an intuitive, user-friendly web mail design and by offering administrators Mobile Device Management, Business Instant Messaging, Document Sharing, and other enterprise-class features that can be managed with minimal support. MDaemon Email Server supports IMAP, SMTP, and POP3 protocols, and features include: integrated webmail with IM and document sharing, Outlook support, compromised password alerts, color-coded log files for quick and easy troubleshooting, customizable email policy setting to fit your unique network environment, Mobile Device Management, Account Hijack Detection, and more.Starting Price: $360 per year -
23
Kolab Now
Apheleia IT AG
Secure and private email, calendars and more. 100% Free & Open Source Software (FOSS). Open standards and formats used for all storage and communication. No vendor lock-in. All data stored under Swiss jurisdiction. User data never transmitted to any third party without explicit consent. GDPR, HIPAA and PCI compliant. Built secure from the ground up. Supports perfect forward secrecy (PFS). End-to-end encryption available. No back doors. Our documentation contains answers to most frequently asked questions and much more. Are you looking for an instant answer to your question or a quick solution for your problem, our Knowledgebase is where you will likely find it. If you can’t find the answer in our documentation, you can always contact support.Starting Price: $9.90 per month -
24
Filestash
Filestash
Filestash is a self-hosted web application that acts as a frontend to your data storage. It supports a wide range of storage providers, including S3, SFTP, FTP, FTPS, Backblaze B2, Minio, WebDAV, Git, LDAP, MySQL, CardDAV, CalDAV, Dropbox, and Google Drive. Filestash provides a user-friendly interface for managing your files and folders, including features such as: File and folder browsing File uploading and downloading File and folder creation, moving, and deletion File and folder sharing File editing Image preview Music player Network drive support Filestash is also highly customizable, with a variety of settings and options that you can adjust to meet your specific needs. For example, you can choose which features to enable or disable, set user permissions, and customize the look and feel of the application.Starting Price: $150 per month -
25
Kopano
Kopano
We provide you with your digitally sovereign solution to keep track of your e-mails and calendars, to organize yourself with tasks or to stay in contact with team colleagues via video meeting. Kopano Groupware is an e-mail and calendaring solution, which can be operated digitally sovereign. Its functionality is comparable to that of Microsoft Outlook and Exchange. Kopano Groupware installations can be operated with more than 100,000 users. Kopano Groupware is an e-mail and calendar server that provides users with their daily communication and organizational data on all devices and connects teams. Data can be jointly edited in public folders or shared with others from your own inbox.Starting Price: $17 per year -
26
NethServer
NethServer
Analyzes all web traffic and blocks selected websites via HTTP and even HTTPS using Squid proxy. Integrated with ClamAV antivirus and site blacklists. Multi-domain web server with ready LAMP stack. Virtual hosting allows to host multiple domain names on a single server. Based on NextCloud provides universal access to your files via the web, your computer or your mobile devices, wherever you are. Provide a private Slack-alternative with Mattermost. Open source messaging platform that enables secure team collaboration. Modern and powerful web interface based on Cockpit that simplifies common administration tasks, very easy and fast installation. Based on CentOS/RHEL, a widespread and popular server distribution, trusted by routine security updates, and rock solid stability.Starting Price: €48 per year -
27
Hexamail POP3 Downloader
Hexamail
POP3 Downloader is a high-performance, scalable, real-time POP3 connector for your mail server. It supports downloading and forwarding any POP3 or IMAP account email to any email server that supports SMTP or IMAP. Key Features: 100% Compatibility with all versions of Exchange 100% Compatibility with all SMTP servers End-user management via a web interface Antivirus and Antispam options IMAP Support (with folders) IMAP Push Support Gmail Support 1-minute scheduling No email size limits Microsoft Exchange integration without the need for a public SMTP server or static IP address Migrate or integrate unlimited external POP3 or IMAP email accounts into local mailboxes Continue receiving mail from legacy accounts during migration to a new mail server IMAP migration or IMAP sync between two IMAP servers Reliable, easy to install, and cost-effective solution Streamline your email integration processes and automate email downloads with Hexamail POP3 Downloader.Starting Price: $114/10 users -
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Valimail
Valimail
Protect your company from phishing and BEC with industry-leading DMARC technology. Valimail is a pioneering, identity-based, anti-phishing company that has been ensuring the global trustworthiness of digital communications since 2015. Valimail delivers the only complete, cloud-native platform for validating and authenticating sender identity to stop phishing, protect and amplify brands, and ensure compliance. Building trust in your email means cutting off phishing at its root. And you also get the benefits of brand protection, compliance, increased email deliverability, and the ability to leverage cutting-edge email standards like BIMI, AMP, and Schema.org. Automatic detection of outbound sending services. Access to the largest database of named sending services. Detailed views into the authentication status (SPF, DKIM, and DMARC) of all sending domains and services. Automated DKIM key detection and configuration. -
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Scalix
Scalix
Offer a high value Outlook experience with push email, PIM, group calendaring, free/busy services, public folders, delegation, and more. Increase margins with lower server counts and compelling subscription pricing. Reduce your licensing costs and leverage your teams' existing skills with a Linux-based platform. Scalix starter packs are robust, single-server messaging solutions designed to provide smaller businesses and organizations with a full featured email and collaboration solution. Scalix small business edition is our single-server solution designed for small businesses. It includes a rich package of business functionality including a means to instantly recover deleted items on a user-specific basis, wireless device support and more. -
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DMARCLY
DMARCLY
Block phishing, business email compromise, ransomware, spam, and improve email deliverability. DMARC is more than just email security. It's also about email deliverability. Stopping email spoofing effectively increases user engagement, which in turn improves your domain sender score. A high domain sender score improves your email deliverability: your business emails are more likely to reach the inboxes. Email deliverability depends on successful email authentication. Ever wonder if your emails are properly authenticated and delivered? Stay confident about email deliverability with DMARCLY reporting. Knowing that your legitimate emails land in the inbox while others don't brings marketers ease of mind. No auth, no entry. Email service providers like Gmail and Office 365 are increasingly sending unauthenticated emails to spam or even rejecting them outright. DMARCLY is a comprehensive SPF, DKIM and DMARC monitoring solution.Starting Price: $14.99 per month -
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Poste.io
analogic
You can have a fully functional mail server installed in a few minutes, mostly waiting for scripts to do the work. The whole package is designed with reasonable defaults to get you up and running quickly, without having to know the internals and without making decisions that could break the email system. User data and configuration is strictly separated from binaries. User database is stored in SQLite database - in file. This makes Poste.io fully compatible with external storage. Migration, backups or updates are therefore very easy and mostly consist of files manipulation. Poste.io has been built from the ground up with security in mind. Internet history is littered with painful security incidents, so we traded old email client compatibility and insecure authentication methods for features that meet today's for features that meet modern security requirements.Starting Price: Free -
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DMARCwise
DMARCwise
DMARCwise is a DMARC monitoring and analysis product. It helps you protect your domain from email spoofing and safeguard your email reputation. With DMARCwise, you can stop scammers from impersonating your domain and ensure your emails avoid spam folders. Start by testing your email setup for free to verify if SPF and DKIM are correctly configured on your domain. Our step-by-step guidance helps you set up your DMARC record, detect and resolve authentication issues, and monitor all email activity from your domain through our reporting dashboard and weekly email summaries. Here are all the features: - Guidance to setup your DMARC record - Automatic aggregate DMARC reports (rua) parsing - A centralized dashboard to manage all your domains - Sources categorization (legitimate and malicious) - Long data retention - Weekly email digests - Run diagnoses to test if SPF and DKIM are properly configured - And more! Get started today for free!Starting Price: €15/month -
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MailSite Fusion
Rockliffe Systems
MailSite Fusion is a Windows email, calendar and contact server with over-the-air push to all types of smartphones, Full native Outlook sync, a sophisticated AJAX web client and a calendar and contact sharing server, which can synchronize and publish to many other clients. MailSite has been voted in the top 3 mail server products by readers of Windows IT Pro Magazine 3 years running. Your email services are critical to your organization. So you need to be sure that you select a quality product, from a company with a proven track record in communication software. So, why this mail server? Because Rockliffe understands your concerns, we have been specializing in developing and refining our email server and email security software for business and service providers since 1995. Built from the ground up to be fast, stable and secure, MailSite Fusion is ready to meet the needs and requirements that matter to you most.Starting Price: $90 per year -
34
Axigen
Axigen Messaging
Offer your customers secure, business-level email hosting with various value added services. An excellent solution for SPs, suitable for thousands to millions of users. Acquire new customers by offering a premium email server solution with a high degree of flexibility, allowing you to automate it within your existing infrastructure. Manage your email, organize and share calendars, sync your mobile devices, all based on a secure and powerful mail server. The perfect answer for businesses of all sizes. Axigen is quite knowledgeable, out of the many hats it wears, take a peek inside and choose what fits you. Manage your email and get stuff done easily with calendars, tasks or notes. Enjoy desktop usability in your browser via keyboard navigation and shortcuts, drag-and-drop, "live" email list view, frequent folders, email filters, out-of-office messages, individual blacklist / whitelist.Starting Price: $266 per year -
35
The Very Good Email Company
The Very Good Email Company
Your email in safe hands! The Very Good Email Company have built a range of services around its core email filtering services: filtering, hosting, groupware tools, archiving and fax to email solutions are available. Gateway: weapons-grade anti-virus and anti-spam filtering before it hits your, or your customers’ network! MailCore Pro: email hosting and office collaboration service: providing email, shared calendars, contacts, files and notes. Includes anti-virus and anti-spam filtering as standard. Zimbra: all the benefits of the Zimbra enterprise-class email, calendar and collaboration solution, with our spam and virus filtering as standard. Now with a huge 50GB of storage per mailbox! Messagebunker: a simple, secure, easy to set up and use in-the-cloud email archiving and discovery platform that won’t break the bank. FREE Trial! -
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Dmarclytics
Dmarclytics
Dmarclytics is a complete email-authentication and domain-security platform designed to protect organisations from phishing, spoofing, and impersonation attacks. It delivers automated DMARC report parsing, SPF and DKIM monitoring, policy recommendations, domain-threat visibility, and real-time deliverability insights—all through a clean, intuitive dashboard. Built for businesses of all sizes, Dmarclytics simplifies complex authentication standards and helps organisations move safely to DMARC enforcement. The platform continuously analyses RUA/RUF data, detects configuration issues, tracks sending sources, and provides clear guidance for achieving full compliance. Dmarclytics improves security posture, boosts inbox placement, protects brand identity, and ensures legitimate email reaches customers with confidence. Scalable, accurate, and built for growth, it offers low-cost automation with enterprise-grade capability.Starting Price: £9.99 -
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Microsoft Exchange
Microsoft
Work smarter with business-class email and calendaring. Exchange helps you collaborate on your critical documents and gives you a focused inbox that prioritizes important messages and adapts to your work style, so you can get more done–faster. Get access to a more personalized inbox with helpful features and a smarter, more organized way to view and interact with email. Search enhancements give you faster and more complete results. With Add-ins, get powerful customization and extensibility, which connect you to modern services and internal line-of-business applications. Organize your time with a calendaring system that goes beyond basic scheduling of appointments and commitments. Automatically capture events from email such as flights and hotel reservations, and get suggestions about where to meet based on your location. Microsoft Exchange Online offers a hosted email service for business. Exchange Online helps protect your information with advanced capabilities. -
38
GMS (Gordano Messaging Suite)
Gordano
You're a growing business, and you need to stay connected: you need email. But you're stretched thin, facing the every day challenges. You need help. You have come to the right place. GMS has been around since the beginning of email. We have got plenty of experience in understanding our customers and providing what they need. We're like you: we care about your business. We keep it simple: we don't like jargon, and we don't like confusion. With GMS the message is clear: the ideal email solution for small businesses, with all the support you could ever want. Once part of the Cloud, businesses and individuals no longer have to worry about power requirements, space or software updates. Cloud computing negates the need for physical storage and maintenance, meaning the total cost of ownership is significantly lower. -
39
dmarcian
dmarcian
Our DMARC management platform visualizes DMARC data in powerful and meaningful ways so you can quickly identify authentication gaps with your SPF and DKIM configurations, as well as unauthorized use of your domains. In addition to aggregating DMARC data, our platform provides domain administration teams with the necessary features to adopt DMARC with clarity and confidence. Providing actionable insights, it is powered by the most accurate source classification engine in the industry and affords users with assurances of the true origin of a particular mail stream. dmarcian has been processing DMARC data since the inception of the specification in 2012. -
40
Email Studio .NET
OMID SOFT
Email Studio is an enterprise grade email and storage viewer, parser and converter. Email Studio fully supports MIME and MAPI plus generic Windows, MacOS and Linux formats. Your all-in-one (20+) multi format email and storage processor with embedded RBL, DKIM and Tracer in addition to the unmatched enterprise storage tools. ► Calendar Converter/Merger/Splitter ► Contact Converter/Merger/Splitter ► Remote Server Certificate Validator ► Email Converter/Downloader/Validator ► Email/Storage Based File Format Detector ► Send Custom POP3/IMAP4/SMTP/DNS Commands ► Storage Converter/Extractor/Merger/Splitter/Builder/DownloaderStarting Price: $0 -
41
RainLoop
RainLoop
Modest system requirements, decent performance, simple installation and upgrade, no database required - all these make RainLoop Webmail a perfect choice for your email solution. Modern user interface. Complete support of IMAP and SMTP protocols including SSL and STARTTLS. Sieve scripts (Filters and vacation message). Minimalistic resources requirements. Direct access to mail server is used (mails are not stored locally on web server). Allows for adding multiple accounts to primary one, simultaneous access to different accounts in different browser tabs is supported. Additional identities. Administrative panel for configuring main options. Really simple installation and update. Integration with Facebook, Google, Twitter and Dropbox. Managing folders list. Simple look'n'feel customization. Configurable multi-level caching system. Extending functionality with plugins installed through admin panel. Perfect rendering of complex HTML mails. Drag'n'drop for mails and attachments.Starting Price: $95 per year -
42
Oracle Communications Messaging Server is a standards-based Internet messaging server designed for high-capacity, reliable message handling for service providers and their customers. Messaging Server provides support for several email protocols and can manage embedded text, sound, graphics, video files, and other files and formats.
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43
Ajenti
Ajenti
An admin's tool for a more civilized age, providing you with a fast and secure way to manage a remote Linux box at any time using everyday tools like a web terminal, text editor, file manager and others. Ajenti Core is a streamlined and reusable framework for building web interfaces of all kinds. Includes lots of plugins for system and software configuration, monitoring and management. Ajenti won't damage your existing configuration or tell you how to do your job. Preserves config structure and comments. Easily extensible using Python. Plugin development is fast and pleasant with rich APIs. Automatic configuration of Exim 4 and Courier IMAP, including virtual e-mails, DKIM, DMARC and SPF. -
44
mailcow
mailcow
mailcow: dockerized is an open source groupware/email suite based on Docker. mailcow relies on many well known and long used components, which in combination result in an all around carefree email server. Each container represents a single application, connected in a bridged network.Starting Price: Free -
45
OpenText FirstClass
OpenText
The COVID-19 pandemic has changed the way we all live and work. The rise in remote working has resulted in a need for even greater communication, collaboration and flexibility. OpenText™ FirstClass® is a powerful collaboration solution that drives teamwork, improves communication, makes people and information easily accessible from any mobile device, and ensures team members are connected within the organization. FirstClass is a fully integrated solution that is cost-effective, flexible and easy to administer. It empowers individuals and teams to work together toward a common goal, with a shared sense of purpose and new ways to participate. Designed to support collaboration, FirstClass offers easy and secure communication, mobile access, personalization, integration with other applications, and safe, reliable archiving. -
46
XgenPlus
Bharat Sync Technologies Pvt. Ltd.
XgenPlus is a next-generation, feature-rich, and highly secure email solution designed to meet the growing communication needs of businesses, enterprises, and individuals. Developed by Bharat Sync Technologies Pvt. Ltd., Xgen Email stands out as the first email service in the world to support Internationalized Domain Names (IDN), enabling users to create email addresses in multiple Indian languages such as Hindi, Gujarati, Tamil, Telugu, Punjabi, and Urdu. With cutting-edge security features, real-time tracking, advanced collaboration tools, and seamless mobile and desktop integration, Xgen Email ensures that users get the most efficient, private, and productive email experience. Whether you're a startup, a large enterprise, or an individual professional, Xgen Email is the best choice for a secure, smart, and efficient email solution.Starting Price: Free -
47
Alinto
Alinto
Alinto was born in 2000 as a result of Philippe Gilbert’s vision, whose risk paid off! Bringing together a team of passionate developers and experts in cloud messaging, he innovated the sector with the deployment of the first messaging platform, with a Cloud based email solution in Europe, and the first web based email accessible from a mobile phone. We then became a major player in the European digital arena. As a software mail server provider, our R&D, Marketing and Support teams are committed to adopt an approach focused on availability and proximity. In fact, this is much more than an electronic communication solution, as personalized care and solutions are adapted to your real requirements and needs. Besides, our experts are always available to help. Whether you’re a telecom operator, an internet service provider or an IT specialist, we are here for you. -
48
Apache James
The Apache Software Foundation
James stands for Java Apache Mail Enterprise Server. It has a modular architecture based on a rich set of modern and efficient components which provides at the end complete, stable, secure, and extendable Mail Servers running on the JVM. Create your own personal solution of email treatment by assembling the components you need thanks to the Inversion of Control mail platform offered and go further customizing filtering and routing rules using James Mailet Container. The Apache James project wires together the different libraries composing James to provide running services, ready to download on the Apache mirrors.Starting Price: Free -
49
ClearOS
ClearCenter
Applications and an operating system come with your computer, tablet, and phone. So, why not on your server? HPE is redefining the small business server by offering ClearOS with HPE ProLiant servers. ClearOS is a simple, open, and affordable operating system with an intuitive graphical web-based user interface and an application marketplace with over 100 apps to choose from, with more being added every day. Leveraging open source software, you decide what applications you need and only pay for the applications and support you want. HPE and ClearCenter are making it easy for small, home, remote, and branch offices to have a server ready to use, out of the box, at no additional cost. HPE ProLiant integrated with ClearOS offers a simple, affordable, and secure experience. Building the IT solution that is just right for you has never been easier. -
50
ToDMARC
TBS OPS LTD
ToDMARC is an innovative email authentication SaaS platform tailored for the B2B sector, focused on helping businesses protect their domain names, brands, and email communication from threats like spoofing, impersonation, and ransomware. It brings to the table a robust suite of hosted email security protocols, including DMARC, SPF, DKIM, BIMI, MTA-STS, and TLS-RPT, integrated with streamlined reporting and AI-enhanced Threat Intelligence. This combination empowers businesses to increase the visibility of their email channels and shield against cyber threats effectively. Despite its early stage, ToDMARC is committed to security and compliance, aspiring to achieve industry-standard certifications such as SOC2 Type 2, ISO 27001, and GDPR compliance, positioning itself as a trusted partner in the B2B landscape.Starting Price: $23.99
