Alternatives and similar repositories for pigeonhole

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

• schweikert / postgrey
  Postfix Greylisting Policy-Daemon
  ☆168Updated last year
• Snawoot / postfix-mta-sts-resolver
  Daemon which provides TLS client policy for Postfix via socketmap, according to domain MTA-STS policy
  ☆124Updated 3 months ago
• trusteddomainproject / OpenARC
  Open source ARC implementation
  ☆143Updated last year
• philpennock / sieve-connect
  A client for the MANAGESIEVE Protocol
  ☆86Updated 3 years ago
• letoams / hash-slinger
  ☆54Updated 6 months ago
• SpamExperts / pyzor
  Pyzor is a Python implementation of a spam-blocking networked system that use spam signatures to identify them.
  ☆157Updated 5 months ago
• vstakhov / rmilter
  Another sendmail milter for different mail checks.
  ☆85Updated 8 years ago
• schweikert / mailgraph
  Mail plotting script
  ☆71Updated 6 years ago
• trusteddomainproject / OpenDKIM
  ☆107Updated last year
• roehling / postsrsd
  Postfix Sender Rewriting Scheme daemon
  ☆349Updated 3 weeks ago
• bruceg / nullmailer
  Relay-only sendmail/qmail/etc replacement MTA
  ☆197Updated last year
• slusarz / dovecot-fts-flatcurve
  Dovecot FTS Flatcurve plugin (Xapian)
  ☆49Updated 8 months ago
• moisseev / rspamd-spamness
  Thunderbird add-on for visualizing rspamd spam scores.
  ☆59Updated 3 weeks ago
• OpenSMTPD / OpenSMTPD-extras
  This is the mirror of the official repository of OpenSMTPD addons
  ☆57Updated last year
• postfwd / postfwd
  Postfwd - http://www.postfwd.org
  ☆72Updated 5 years ago
• fastmail / authentication_milter
  Email Authentication by SPF/DKIM/DMARC etc.
  ☆135Updated 5 months ago
• Zuplu / postfix-tlspol
  Lightweight MTA-STS + DANE/TLSA resolver and TLS policy server for Postfix, prioritizing DANE.
  ☆38Updated 3 weeks ago
• trusteddomainproject / OpenDMARC
  This is the Trusted Domain Project's impementation of the DMARC protocol libary and mail filter, called OpenDMARC. A "milter" connects t…
  ☆124Updated 8 months ago
• dovecot / tools
  Dovecot tools
  ☆43Updated 2 months ago
• grosjo / fts-xapian
  Dovecot FTS plugin based on Xapian
  ☆111Updated 4 months ago
• corecode / dma
  The DragonFly Mail Agent, a small Mail Transport Agent (MTA), designed for home and office use.
  ☆255Updated this week
• magcks / milterfrom
  This milter compares the envelope sender with the sender specified in the mail header for authenticated users.
  ☆24Updated 3 months ago
• dovecot / imaptest
  IMAP server tester
  ☆66Updated last month
• stevejenkins / postwhite
  Script for generating a whitelist for Postfix's Postscreen based on large senders' SPF records
  ☆94Updated 5 years ago
• spamhaus / rbldnsd
  A small and fast DNS daemon especially made to serve DNSBL zones.
  ☆63Updated 3 years ago
• LetsDNS / letsdns
  Manage DANE TLSA records in DNS servers
  ☆18Updated 9 months ago
• baknu / DANE-for-SMTP
  'DANE for SMTP' wiki
  ☆32Updated 5 years ago
• pimlie / authres_status
  Roundcube plugin that checks the Authentication-Results headers (rfc5451) of your emails and displays the verification status.
  ☆40Updated 6 months ago
• twaugh / journal-brief
  Show interesting new systemd journal entries since last run
  ☆63Updated 2 months ago
• OpenSMTPD / OpenSMTPD
  This is official OpenSMTPD Portable repository. Forks, pull requests and other contributions are welcome!
  ☆559Updated 2 months ago