./mail/spamdyke, Filters incoming SMTP connections to qmail

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Branch: pkgsrc-2020Q3, Version: 5.0.1nb3, Package name: spamdyke-5.0.1nb3, Maintainer: schmonz

spamdyke monitors incoming traffic, acting as a middleman between
qmail and the remote server. It catches the sender and recipient
addresses as they go by and logs them to syslog. If it sees something
it doesn't like (e.g. a blacklisted sender), it cuts the connection,
closes qmail and fakes the rest of the SMTP transaction with the
remote server. qmail thinks the remote server disconnected normally.
The remote server thinks qmail is rejecting the message. It's the
best of both worlds.

spamdyke can optionally reject the connection if the remote server's
reverse DNS entry does not exist, does not resolve, contains its
IP address and either contains a prohibited keyword (like "dynamic")
or ends in a country code; if the IP address, reverse DNS entry,
or envelope sender is listed in a blacklist; or if data is sent
before the SMTP greeting banner is displayed. spamdyke can also
limit recipients per connection, greylist for some or all domains,
and close connections that go idle or take too long.

Master sites:

SHA1: 4de76158a98b3ee33e7002160446ae36de7c96d2
RMD160: 7237108ebf0ff2a5c02b7e305985a11e93720f8d
Filesize: 374.727 KB

Version history: (Expand)