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Zimbra is trusted by over 500 million users to increase productivity with a complete set of collaboration tools while maintaining total control over security and privacy.
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KerioConnect is a commercial mail and groupware server.
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Microsoft Exchange Server is a messaging and collaborative software product developed by Microsoft.
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Postfix is a mail transfer agent (MTA) that routes and delivers electronic mail.
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Axigen is an integrated email, calendaring & collaboration platform, built on a Linux mail server technology.
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hMailServer is a free e-mail server for Microsoft Windows.
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Kolab Groupware is a secure, scalable, reliable, flexible, full-featured collaboration suite.
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Sendmail is a general purpose internetwork email routing facility that supports many kinds of...
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PowerMTA is an industrial-strength software for high-volume email delivery.
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Exim is a message transfer agent (MTA) developed at the University of Cambridge for use on Unix systems connected to the Internet.
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sSMTP is a simple MTA to deliver mail from a computer to a mail server.
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MailEnable is a Windows based mail server and email server program that is packed with the state of the features and functions like antivirus and spam filtering system, webmail management system, cardDAV, CalDAV and much more.
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"Maileroo is a powerful SaaS for transactional emails and marketing campaigns. Reliable SMTP relay and an intuitive automation suite, Maileroo ensures high deliverability and easy campaign creationโperfect for developers, agencies, and businesses.
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OpenSMTPD is a FREE implementation of the server-side SMTP protocol as defined by RFC 5321, with...
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qmail is the name of an advanced level of mail transfer agent for the UNIX based operating systems.
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Sharing & communication software for business.
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OpenChange aims to provide a portable Open Source implementation of Microsoft Exchange Server and...
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CMail is a free Windows command line mailer with advanced message formatting options.
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Fast, safe, heavy mail solution.
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Configure SMTP e-mail in IIS when you want to deliver e-mail messages from your site.