# This filter is based on the work of Jeffrey Posluns # Filter Version 20040407-1 # Please feel free to copy, use, discuss, link to, or modify this file in compliance with the rules below: # 1. These filters (or portions thereof) may not be sold or included in a package (software or otherwise) for which fees are charged. # 2. If you wish to sell or include these filters as part of a package for which fees are charged, please contact us to arrange for a redistribution license. # 3. Leave this header information intact. # 4. Do not change the SPAM-ID numbers. We use these numbers to help track false rejections. # 5. if you modify this file, indicate such on the line below, so that people can be aware that the filter is not an original version. # We use the header_checks file to remove some headers that we find undesirable. # Return receipts and software versions are the most significant in this situation. # For more information, please see http://www.posluns.com/guides/postfix_anonym.html #/^Received: from 127.0.0.1/ IGNORE /^Disposition-Notification-To:/ IGNORE # On some systems we create a custom log entry for SpamAssassin confirmed spam emails. # If you want to drop or hold these emails, change WARN to DISCARD or HOLD respectively. # You can also use the FILTER command to forward all spam to another process or account. # /^X-Spam-Flag: YES/ WARN SpamAssassin Confirmed Spam Content # These are headers used to track some spam messages. /^Bel-Tracking: .*/ REJECT Confirmed spam. Go away. /^Hel-Tracking: .*/ REJECT Confirmed spam. Go away. /^Kel-Tracking: .*/ REJECT Confirmed spam. Go away. /^BIC-Tracking: .*/ REJECT Confirmed spam. Go away. /^Lid-Tracking: .*/ REJECT Confirmed spam. Go away. # Following Will Block Spams With Many Spaces In The Subject. /^Subject: .* / REJECT Your subject had too many subsequent spaces. Please change the subject and try again. # Emails with eronious dates (or dates far in the past) will appear at the top or bottom of your mail client. # This is a common method that spammers use to try and get your attention on their emails. #/^Date: .* 2004/ REJECT Your computer still thinks it's 2004. Fix your system clock and try again. #/^Date: .* 2003/ REJECT Your computer still thinks it's 2003. Fix your system clock and try again. /^Date: .* 200[0-4]/ REJECT Your email has a date from the past. Fix your system clock and try again. /^Date: .* 19[0-9][0-9]/ REJECT Your email has a date from the past. Fix your system clock and try again. # This filter will block subjects that contain ISO specifications. # If you use any languages other than English, you might need to comment this out. # /^Subject: .*\=\?ISO/ REJECT We don't accept strange character sets. # This will block messages that do not have an address in the From: header. # Note: This may violate RFC, but blocks a very significant amount of spam. If you implement this, you risk getting listed in http://www.rfc-ignorant.org #/^From: <>/ REJECT You need to specify a return address, otherwise we will not accept your email. # Following Are Alphabetical Listings Of Subject Contents That Will Be Blocked. # Following is a listing of known mass mailer programs. /^X-Mailer: 0001/ REJECT You used an email program that is used almost exclusively for spam. We do not accept email sent using this program. /^X-Mailer: Avalanche/ REJECT You used an email program that is used almost exclusively for spam. We do not accept email sent using this program. /^X-Mailer: Crescent Internet Tool/ REJECT You used an email program that is used almost exclusively for spam. We do not accept email sent using this program. /^X-Mailer: DiffondiCool/ REJECT You used an email program that is used almost exclusively for spam. We do not accept email sent using this program. /^X-Mailer: E-Mail Delivery Agent/ REJECT You used an email program that is used almost exclusively for spam. We do not accept email sent using this program. /^X-Mailer: Emailer Platinum/ REJECT You used an email program that is used almost exclusively for spam. We do not accept email sent using this program. /^X-Mailer: Entity/ REJECT You used an email program that is used almost exclusively for spam. We do not accept email sent using this program. /^X-Mailer: Extractor/ REJECT You used an email program that is used almost exclusively for spam. We do not accept email sent using this program. /^X-Mailer: Floodgate/ REJECT You used an email program that is used almost exclusively for spam. We do not accept email sent using this program. /^X-Mailer: GOTO Software Sarbacane/ REJECT You used an email program that is used almost exclusively for spam. We do not accept email sent using this program. /^X-Mailer: MailWorkz/ REJECT You used an email program that is used almost exclusively for spam. We do not accept email sent using this program. /^X-Mailer: MassE-Mail/ REJECT You used an email program that is used almost exclusively for spam. We do not accept email sent using this program. /^X-Mailer: MaxBulk.Mailer/ REJECT You used an email program that is used almost exclusively for spam. We do not accept email sent using this program. /^X-Mailer: News Breaker Pro/ REJECT You used an email program that is used almost exclusively for spam. We do not accept email sent using this program. /^X-Mailer: SmartMailer/ REJECT You used an email program that is used almost exclusively for spam. We do not accept email sent using this program. /^X-Mailer: StormPort/ REJECT You used an email program that is used almost exclusively for spam. We do not accept email sent using this program. /^X-Mailer: SuperMail-2/ REJECT You used an email program that is used almost exclusively for spam. We do not accept email sent using this program.