Mailcow is a mail server suite based on Dovecot, Postfix and other open source software, that provides a modern web UI for user/server administration.

Mailcow supports Debian 8 (Jessie), Ubuntu LTS 14.04 (Trusty Tahr) and Ubuntu LTS 16.04 (Xenial Xerus)

Introduction

• Multi-SAN self-signed SSL certificate for all installed and supporting services
  • Let’s Encrypt optional
• Webserver installation
  • Apache or Nginx (+PHP5-FPM)
• SQL database backend, remote database support
  • MySQL or MariaDB
• mailcow web UI
  • Add domains, mailboxes, aliases, set limits, enforce TLS outgoing and incoming, monitor mail statistics, change mail server settings, create/delete DKIM records and more…
• Postscreen activated and configured
• STARTTLS and SMTPS support
• The default restrictions used are a good compromise between blocking spam and avoiding false-positives
• Incoming and outgoing spam and virus protection with FuGlu as pre-queue content filter; Heinlein Support spamassassin rules included; Advanced ClamAV malware filters
• Sieve/ManageSieve (default filter: move spam to “Junk” folder, move tagged mail to folder “tag”)
• Public folder support via control center
• Per-user ACL
• Shared Namespace
• Quotas
• Auto-configuration for ActiveSync + Thunderbird (and its derivates)

Comes with… Roundcube * ManageSieve support (w/ vacation) * Attachment reminder (multiple locales) * Zip-download marked messages or SOGo * Full groupware with ActiveSync and Card-/CalDAV support

Host your own Mail Server, is it a good idea?

Find out more here.