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authorJannis Hoffmann <jannis@fehcom.de>2024-07-09 11:44:11 +0200
committerJannis Hoffmann <jannis@fehcom.de>2024-07-09 11:44:11 +0200
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-/* \mainpage
-
-s/qmail -- fast, secure, and reliable email transmission
-========================================================
-
-WHAT IT IS:
-----------
-- s/qmail is a fork of qmail (1.03) including the
- features of the Spamcontrol patch together with
- IPv6 capabilities and is 64 bit clean
-- s/qmail is API- and plug-in-compatible with qmail,
- thus add-ons like vpopmail, ezmlm, and vmailmgr
- and many others work without changes
-- TLS 1.3 enabled using ucspi-ssl
-- X.509 cert pinning and allowing strict TLS mode
-- Automatic TLSA lookup
-- DKIM signing and verification with RSA and Ed25519
-- Wide scale QMTPS support
-- Multi-tenancy capabilities
-- s/qmail uses the concept of D.J. Bernstein's
- coding without compromise
-- Linux systemd compatible
-
-
-INCLUDING:
---------
-The following (DJB) packages are included:
-
-- checkpassword (as qmail-authuser)
-- fastforward
-- qmailanalog
-- qmail-mrtg
-
-
-REQUIREMENTS:
-------------
-- fehQlibs (-24) -- can't build w/o it
-- ucspi-ssl (> 0.12.x) -- won't run without it
-- ucspi-tcp6 (generating the cdb)
-- daemontools package (supervising the services),
- any other will do as well
-- libidn2 for EAI support
-- OpenSSL > 1.1.1 or LibreSSL > 3.7.0 to support Ed25519 signatures
-
-
-INSTALLATION:
-------------
-- Read the INSTALL document
-
-
-INTERNAL CHANGES FROM QMAIL:
----------------------------
-- Group is now 'sqmail' instead of 'qmail'
-- Exttodo + Bigtodo is default
-- qmail(-queue) supports additional control tokens and return codes
-- Old qmail code for sendmail compatibility removed
-- Added QMTPS capabilities (receiving and sending)
-- IPv6 supported by default
-- AMD64 enabled (64 + 32 bit clean), works on ARM/ARM64
-- SPF DNS lookup for qmail-smtpd
-- SRS: srsforward & srsreverse
-- SMTPUTF8 + IDN2 support for qmail-remote
-- fehQlibs DNS stub resolver
-- qmail-postgrey client
-- TLSA DNS lookup for qmail-remote
-- Additional queue/dkim staging directories
-- Less single character buffering for I/O; convenient buffer sizes
-
-
-USER INTERFACE CHANGES:
-----------------------
-- Port separator is ';' instead of ':' (due to IPv6)
-- smtproutes supports authentication and localip setting
-- Added SPF capabilities for qmail-smtpd + spfquery for testing
-- Added DNS test routines: dnsmxip, dnsfq, dnscname, dnstxt, dnstlsa
-- Added fastforward package
-- Added qmailanalog and qmail-mrtg
-- Additional TLS control files for X.509 certificates,
- key files, and verification handling
-- RECIPIENTS extension from Spamcontol
-- Added PAMs for Recipient verification
- (qmail-vmailuser, qmail-smtpam)
-- Added qmail-authuser PAM for SMTP, POP3, and IMAP4 authentication;
- supporting Binc IMAP and Dovecot natively
-- Added qmail-qmaint for queue maintenance
-- Added 'implicit TLS' support for qmail-remote and qmail-smtpam
- Port numbers may now prepended with 's' -> implicit TLS
-- qmail-users: changed name from 'users/cdb' to 'users/assign.cdb'
-- Added qmail-dksign and qmail-dkverify together with qmail-dkim
-- DKIM keys are given at SQMAIL/ssl/domainkeys/<domain>
-- Authentication support for BincIMAP (separate package)
-- Added qmail-ldapam as installable option (tbd)
-
-
-DEDICATION
-----------
-- Niklaus Wirth - creator of PASCAL (A Plea for Lean Software)
-- Niklaus Wirth: "Eine Optimierung beim Programmieren erfordert Zeit"
-[https://www.heise.de/hintergrund/Niklaus-Wirth-Diese-schnell-erstellten-Programme-enthalten-auch-mehr-Fehler-9587266.html]
-
-
-s/qmail (4.3) -- this README covers the main s/qmail merits.
-
-See doc/CHANGELOG for version information.
-
-Date: Janary, 8th 2024 (feh)