Alternatives and similar repositories for spamassassin:

Users that are interested in spamassassin are comparing it to the libraries listed below

• Exim / exim
  Exim Mail Transport Agent - source, testsuite and documentation
  ☆758Updated last week
• trusteddomainproject / OpenDMARC
  This is the Trusted Domain Project's impementation of the DMARC protocol libary and mail filter, called OpenDMARC. A "milter" connects t…
  ☆116Updated this week
• SpamExperts / pyzor
  Pyzor is a Python implementation of a spam-blocking networked system that use spam signatures to identify them.
  ☆149Updated 7 months ago
• vdukhovni / postfix
  Postfix MTA by Wietse Venema
  ☆476Updated 2 weeks ago
• trusteddomainproject / OpenDKIM
  ☆103Updated 9 months ago
• dovecot / core
  Dovecot mail server
  ☆1,056Updated this week
• OpenSMTPD / OpenSMTPD
  This is official OpenSMTPD Portable repository. Forks, pull requests and other contributions are welcome!
  ☆526Updated 6 months ago
• MailScanner / v5
  MailScanner v5
  ☆193Updated 6 months ago
• Zimbra / zm-build
  zm-build for Zimbra Collaboration Suite, FOSS Edition
  ☆198Updated 3 weeks ago
• NLnetLabs / ldns
  LDNS is a DNS library that facilitates DNS tool programming
  ☆317Updated last month
• NLnetLabs / nsd
  The NLnet Labs Name Server Daemon (NSD) is an authoritative, RFC compliant DNS nameserver.
  ☆488Updated last week
• dovecot / pigeonhole
  Pigeonhole project: Sieve support for Dovecot.
  ☆85Updated 3 weeks ago
• trusteddomainproject / OpenARC
  Open source ARC implementation
  ☆140Updated last year
• rspamd / rspamd
  Rapid spam filtering system.
  ☆2,179Updated this week
• cyrusimap / cyrus-imapd
  Cyrus IMAP is an email, contacts and calendar server
  ☆578Updated last week
• zonemaster / zonemaster
  The Zonemaster Project
  ☆486Updated 2 months ago
• bundy-dns / bundy
  an authoritative DNS server
  ☆136Updated 3 years ago
• schweikert / postgrey
  Postfix Greylisting Policy-Daemon
  ☆164Updated 10 months ago
• roehling / postsrsd
  Postfix Sender Rewriting Scheme daemon
  ☆339Updated this week
• rspamd / rspamd.com
  rspamd.com website.
  ☆26Updated this week
• bugzilla / bugzilla
  Official repository for the Bugzilla bug tracking system. Report bugs to https://bugzilla.mozilla.org/enter_bug.cgi?product=Bugzilla&form…
  ☆732Updated 6 months ago
• shevek / libspf2
  Implementation of the Sender Policy Framework for SMTP authorization
  ☆37Updated last year
• SSLMate / caa_helper
  Generate a CAA policy
  ☆154Updated this week
• arineng / nicinfo
  NicInfo is a smart, command-line RDAP client
  ☆163Updated 2 months ago
• rikvanriel / spamikaze
  Spamikaze spam blocking dnsbl maintenance tools
  ☆20Updated 9 months ago
• eldy / AWStats
  AWStats Log Analyzer project (official sources)
  ☆394Updated last month
• lieser / dkim_verifier
  DKIM Verifier Extension for Mozilla Thunderbird
  ☆226Updated last month
• sympa-community / sympa
  Sympa, Mailing List Management Software
  ☆265Updated 2 weeks ago
• isc-projects / bind9
  Mirror of https://gitlab.isc.org/isc-projects/bind9, please submit issues and PR/MRs in the GitLab. Any issues and PRs opened here will b…
  ☆679Updated this week
• fastmail / authentication_milter
  Email Authentication by SPF/DKIM/DMARC etc.
  ☆126Updated last month