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Package: milter-greylist (4.5.11-1.1build2)

Greylist milter for sendmail

milter-greylist is a stand-alone milter written in C that implements the greylist filtering method, as proposed by Evan Harris.

Greylisting works by assuming that unlike legitimate MTA, spam engines will not retry sending their junk mail on a temporary error. The filter will always temporarily reject mail on a first attempt, and to accept it after some time has elapsed.

If spammers ever try to resend rejected messages, we can assume they will not stay idle between the two sends (if they do, the spam problem would just be solved). Odds are good that the spammer will send a mail to an honey pot address and get blacklisted in several real-time distributed black list before the second attempt.

Other Packages Related to milter-greylist

  • depends
  • recommends
  • suggests
  • dep: adduser (>= 3.11)
    add and remove users and groups
  • dep: libc6 (>= 2.15)
    GNU C Library: Shared libraries
    also a virtual package provided by libc6-udeb
  • dep: libcurl4 (>= 7.16.2)
    easy-to-use client-side URL transfer library (OpenSSL flavour)
  • dep: libgeoip1
    non-DNS IP-to-country resolver library
  • dep: libmilter1.0.1
    Sendmail Mail Filter API (Milter)
  • dep: libopendkim11 (>= 2.11.0~alpha)
    Library for signing and verifying DomainKeys Identified Mail signatures
  • dep: libspf2-2
    library for validating mail senders with SPF
  • rec: sendmail
    powerful, efficient, and scalable Mail Transport Agent (metapackage)
    or postfix
    High-performance mail transport agent

Download milter-greylist

Download for all available architectures
Architecture Package Size Installed Size Files
amd64 135.2 kB341 kB [list of files]
i386 141.7 kB371 kB [list of files]