Postgrey!

_Lookup by subnet_ Addresses are normally stripped of their last byte, so that mail servers with multiple addresses are recognized as only one. _Auto-whitelisting of clients_ Clients which repeatedly show to be able to pass the greylist, are entered in a clients whitelist, for which no greylisting is done anymore. This is a graph showing the effectiveness of greylisting. I did turn it on on tuesday: **Download it here** pub/ You will also need: * Perl (version ≥ 5.6.0 * Net::Server http://search.cpan.org/dist/Net-Server/
* IO::Multiplex http://search.cpan.org/dist/IO-Multiplex/
* BerkeleyDB http://search.cpan.org/dist/BerkeleyDB
(Perl module * Berkeley DB http://www.sleepycat.com/download/db/index.shtml
(Library, version ≥ 4.1 If installing it from th

Postgrey alternatives

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  • SpamAssassin

  • Use this program to "Unspam" your mailbox(es). The program can be integrated with the mail server to automatically filter all mail for a site. It can also be run by individual users on their own mailbox and integrates with several mail programs. SpamAssassin is highly configurable; if used as a system-wide filter it can still be configured to support per-user preferences.

    tags: spam unspam mailboxes
  • Spam Reader

  • Spam Reader is a free anti-spam add-on for Microsoft Outlook. The software uses the most reliable approach to block junk emails - Bayesian algorithm based on statistical analysis, capable to be adjusted to user's needs and detect up to 98% of spam messages. Spam Reader automatically scans all incoming mails and sends detected spam messages to the special folder for further review.

    tags: anti-spam spam-filter spam-killer outlook-extension spam-blocker
  • Spamfence.net

  • Professional e-mail security free for private use: With Spamfence.net eleven offers the professional e-mail security of the spam filter and e-mail categorisation service eXpurgate absolutely free for private use!This free spamfence service nevertheless is identical with the commercial eXpurgate.ASP version and reqires only a minimum of time and effort by the user to be activated. eXpurgate - the professional filter from eleven against undesirable e-mail advertisement, free of charge for private users under http://www.spamfence.net/how-does-it-work.html ! »

    tags: antivirus outlook spam spam-filter mail-filter
  • SpamSieve

  • SpamSieve is an extremely accurate and easy to use Bayesian spam filter for Mac e-mail programs. Macworld's "Software of the Year".

    tags: mac-apps email-migration filters
  • BullGuard Spamfilter

  • Most people find spam e-mails the biggest nuisance on the Internet. Today, spam e-mails account for over 80% of all e-mail traffic and their volumes increase daily. Strike back with BullGuard Spamfilter.

    tags: Discontinued spam-filter anti-spam spam-killer
  • MailRoute

  • MailRoute provides a hosted service for mail protection from virus and spam.

    tags: antivirus spam spam-filter anti-spam disaster-recovery
  • Happy Moose

  • Happy Moose is a super-efficient cloud anti-SPAM solution for organizations. It stops up to 99.7% of SPAM, and no false positives. It means that you don't need to sift through your huge "Junk" folder.

    tags: software-as-a-service spam anti-spam it-management junk-email
  • xTerminator

  • This program helps you block spam and worms before they reach your mailbox.

    tags: spam anti-spam