Mercury Mail Transport System Alternatives [Page 2]

Axigen is an integrated email, calendaring & collaboration platform, built on a Linux mail server technology.

Google's encompassing suite of cloud-based business apps.

Warm up your cold email inbox, and never land in spam anymore!

Try for free freemium $9.0 / Monthly

OpenChange aims to provide a portable Open Source implementation of Microsoft Exchange Server and...

Protect mail server against spam, viruses and malware with Proxmox Mail Gateway security for businesses, government, education and non-profit organizations.

The Cyrus IMAP server differs from other IMAP server implementations in that it is generally...

Full featured email server built in docker with free plan.

Zoho Mail is a secure, encrypted, and enterprise-ready email solution, a suite of apps tailor-made for your organization's needs.

freemium $1.0 / Monthly (per user)

Archiveopteryx stores email in a database and provides access to it through IMAP and more.

Sharing & communication software for business

Fast, safe, heavy mail solution.

Mail-in-a-Box provides webmail and an IMAP/SMTP server for use with mobile devices and desktop mail software and also includes contacts and calendar synchronization.

Open Source

HyperOffice: Pioneering online collaboration software since 1998. Share documents, manage tasks, email, intranet, sync Outlook, mobility. Free trial.

The magma server daemon is an encrypted email system with support for SMTP, POP, IMAP, HTTP and MOLTEN