General-Purpose Mail Filter
Simple Mail Transfer Protocol (SMTP) which is the standard
for email transmissions across the Internet was designed in the
good old days when nobody could even think of the
possibility of e-mail being abused to send tons of unsolicited
messages of dubious contents. Therefore it lacks mechanisms that
could have prevented this abuse (spamming), or at least could
have made it difficult. Attempts to introduce such mechanisms (such
extension) are being made, but they are not in wide use yet and,
probably, their introduction will not be enough to stop the e-mail
abuse. Spamming is today’s grim reality and developers spend lots of
time and efforts designing new protection measures against it.
Mailfromd is one of such attempts.
The package is designed to work with any MTA supporting ‘Milter’ or ‘Pmilter’ protocol, such as ‘Sendmail’, ‘MeTA1’ or ‘Postfix’. It allows you to:
This document was generated on January 3, 2019 using makeinfo.Verbatim copying and distribution of this entire article is permitted in any medium, provided this notice is preserved.