s/qmail  3.3.18
Next generation secure email transport
s/qmail Documentation
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 AMD64 enabled
- s/qmail is API- and plug-in-compatible with qmail,
  thus add-ons like vpopmail, ezmlm, and vmailmgr
  and many others work without changes
- s/qmail uses the concept of D.J. Bernstein's
  coding without compromise


INCULDING:
The following (DJB) packages are included:
- checkpassword (as qmail-authuser)
- fastforward
- qmailanalog
- qmail-mrtg


REQUIREMENTS:
- ucspi-ssl (> 0.9.x) -- won't run without it
- ucspi-tcp6 (generating the cdb)
- daemontools package (supervising the services)
- libidn2 for EAI support


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
- IPv6 supported by default
- AMD64 enabled
- clang enabled
- SPF lookup included
- SMTPUTF8 + IDN2 support


USER INTERFACE CHANGES:
- Port separator is ';' instead of ':' (due to IPv6)
- Added SPF capabilities for qmail-smtpd + spfquery for testing
- Added flexible qmail-authuser mechanism
- 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 verfication
  (qmail-vmailuser, qmail-smtpam)
- Added PAMs for SMTP Authentication; supporting Dovecot
  (qmail-authuser)

s/qmail (3.3) -- this README is not comprehensive yet

See doc/CHANGELOG for version information.

Date: July, 18th 2017 (feh)