Spam Filter Server Addons

Filtering add-ons to specific mail server applications and instructions on how to filter spam with specific servers. Remember that spam filters are also available that work with any mail server on a particular operating system, and that some spam filters can be found that function on any operating system, with any mail server.

GFI MailEssentials for Exchange/SMTP – www.gfi.com/mes/

– Stop 98% of spam mail, including phishing emails, image spam and PDF spam! Try GFI MailEssentials for Exchange/SMTP today — Download your free 30 day trial version today!

Sendmail Addons
Postfix Addons
Exim Addons
Qmail Addons
Exchange Server Addons
ISA Server Addons
Lotus Domino Addons
Communigate Pro Addons
IMail Addons
ZMailer Addons
EIMS Addons
Novell GroupWise Addons
SpamAssassin Addons
Other Spam Filter Addons

Postfix Addons

Handling UCE with Postfix
Postfix: Patches or Additional Applications

Handling UCE with Postfix

Postfix Configuration – UCE Controls - www.postfix.org/uce.html
Comment to: Postfix Configuration – UCE Controls - www.mengwong.com/misc/postfix-uce-guide.txt
Configuration de Postfix – Commandes anti-spam - x.guimard.free.fr/postfix/uce.html - French
Postfix Shrine - www.arschkrebs.de/postfix/
Postfix anti-UCE configuration - jimsun.linxnet.com/misc/postfix-anti-UCE.txt
Postfix configuration - www.xigole.com/bbd/postfix/
Fighting malware and spam with Postfix - advosys.ca/papers/printable/postfix-filtering.html
Using RBL+ with Postfix - www.spin.it/furio/rblplus-postfix.html
Per user configurable spam killer with Postfix and SpamAssassin - www.goblet.net/spamkill/
Blocking spammers with Postfix HELO controls - www.unixwiz.net/techtips/postfix-HELO.html
Jeffrey Posluns' Postfix Guides - www.posluns.com/guides/postfix.html

Postfix: Patches and Applications

invalid_mx_networks - freesbee.wheel.dk/~jesper/invalid_mx_networks.diff
PostConf - www.postconf.com/
SpamCheck - www.opennet.ru/dev/spam_check/
PureMessage - www.sophos.com/products/enterprise/email/security-and-control/unix/ (Reviews: 1)
policyd-weight - www.policyd-weight.org/
clapf - clapf.acts.hu/
MessagePartners - messagepartners.com/solutions/mpp_postfix.html

Exim Addons

Fighting spam with Exim
Exim Filter Files
Exim: Patches and Applications

Fighting spam with Exim

Exim DNSBL Support - www.exim.org/howto/rbl.html
Filtering Email with Perl and Exim - www.etla.org/articles/filter/
Spam scanning with Exim 4.x - www.timj.co.uk/linux/exim.php#scanning-howto
Exim Tricks - geekbiker.net/exim-tricks.html

Exim Filter Files

Mailfilter - colondot.net/mbm/mailfilter-full.shtml

Exim: Patches and Applications

SAUCE - www.chiark.greenend.org.uk/~ian/sauce/
Exim SpamAssassin - marc.merlins.org/linux/exim/sa.html
How to install Spam Assassin with Exim - bogmog.sourceforge.net/document_show.php3?doc_id=28
elspy - elspy.sourceforge.net/
exiscan - duncanthrax.net/exiscan-acl/
EximConfig - www.jcdigita.com/eximconfig/

QMail Addons

Filtering spam with QMail
QMail: Patches and Applications

Filtering spam with QMail

QMail Anti-Spam techniques and code - www.qmail.org/top.html#spam
Protecting Qmail from known spam sources - web.greens.org/about/software/dnsbl.shtm
qmail Anti-Spam HOWTO - www.chrishardie.com/tech/qmail/qmail-antispam.html
SpamAssassin with QMail - sylvestre.ledru.info/howto/howto_qmail_SpamAssassin.php

QMail: Patches and Applications

oSpam - omail.omnis.ch/ospam/
Spam throttling for qmail - spamthrottle.qmail.ca/
Spamcontrol - www.fehcom.de/qmail/spamcontrol.html
flame.org's qmail mods - www.flame.org/qmail/
qmail regular expressions, qregex - www.arda.homeunix.net/store/qmail/
logrelay - www.palomine.net/qmail/logrelay.patch - log relaying attempts
smtpd-relay-reject - www.qmail.org/qmail-smtpd-relay-reject
qqrbl - www.qmail.org/qqrbl
spam-filter - www.qmail.org/spam-filter
ifspamh - www.gbnet.net/~jrg/qmail/ifspamh/ - SpamAssassin plugin
qdated - www.palomine.net/qdated/ - time expiring email addresses
TMS - www.deepeddy.com/tms.html - time expiring email addresses
nullenvsender-recipcount.patch - pyropus.ca/software/misc/nullenvsender-recipcount.patch
SpamBaffle - spambaffle.com/
spamfilter - www.thermoman.de/software/spamfilter - end user filtering with qmail
goodrcptto - www.chater.demon.co.uk/qmail/
Bayespam - sourceforge.net/projects/bayespam/
qsheff - www.enderunix.org/qsheff/
qmail all in one (aio) patch - www.backschues.net/qmail/
Qmail-LDAP - www.qmail-ldap.org/wiki/index.php/Main_Page
spamdyke - www.spamdyke.org/
Godshell qmail toaster - toaster.godshell.com/

Greylisting for qmail

Microsoft Exchange Server Addons

The in-built spam filtering in Exchange is capable, but the range of products available to extend it suggest that for some, that's not enough. For a comparison of a few of these see this MSExchange.org Server Based Antispam Comparison.

XWall - www.dataenter.com/products/xwall.htm
ESATInformer - www.esatinformer.com/ - for XWall
GFI MailEssentials - www.gfi.com/mes/ (Reviews: 1 2)
Open Relay Filter - www.vamsoft.com/ - Windows 2000
Nemx Power Tools - www.nemx.com/products/securexchange/overview.html (Reviews: 1)
AppRiver - www.appriver.com/
Trend ScanMail for Exchange - us.trendmicro.com/us/products/enterprise/scanmail-for-microsoft-exchange/ (Reviews: 1)
MailMarshal for Exchange - www.marshal.com/MailMarshal_Exchange/
Source Authentication - www.blockallspam.net/
Spam Smacker - www.theproexchange.com/spamSmacker.htm
iQ.Suite for Exchange - www.group-technologies.com/en/products/iq_suite/exchange/iq_suite5.php
Policy Patrol Enterprise - www.policypatrol.com/PolicyPatrolEnterprise.htm (Reviews: 1)
MAILsweeper - www.mimesweeper.com/products/msw/exchange/
ORFilter - martijnjongen.com/site/ORFilter/tabid/53/Default.aspx
Mail Storage Guard - www.mapilab.com/exchange/mail_guard/
Cloudmark Server Edition - www.cloudmark.com/server/
Exchange Intelligent Message Filter - technet.microsoft.com/en-us/exchange/bb288484.aspx
SpamChoke - www.spamchoke.com/products/scexg.htm
ExchangeSentry - www.exchangesentry.com/
mxORB - www.mxorb.com/
Spartacus Filter - www.spartacusfilter.com/en/frame.htm
Spam Xecutioner - stashsoft.com/SpamXecutioner.aspx
XE-Filter - www.cmsconnect.com/XEFPro/XEFMain.htm
Assert! - www.armresearch.com/
SMTP SPF Filter - www.michaelbrumm.com/smtpspffilter.html
BitDefender for MS Exchange - www.bitdefender.com/PRODUCT-38-en--BitDefender-Security-for-Exchange.html
PureMessage for Exchange - www.sophos.com/products/enterprise/email/security-and-control/microsoft-exchange/
McAfee SpamKiller for Mail Servers - www.mcafee.com/us/small/products/email_web_security/spamkiller_mail_servers.html
F-Secure Spam Control for Microsoft Exchange - www.f-secure.com/products/fsscmse.html
Microsoft Forefront Security for Exchange Server - www.microsoft.com/Forefront/default.mspx
SPAMfighter Exchange module - www.spamfighter.com/product_sem.asp
Ninja Email Security - www.sunbelt-software.com/SunbeltMessagingNinja.cfm