Experimental Body_Checks additions
# Additional /etc/postfix/body_checks filters
# I consider this experimental.
# I modified this line to indicate what extention was being rejected.
# See the main body_checks file for the extensions that are allowed.
# Don't check every line in an attachment
/(filename|name)=".*\..*"$/ REJECT No files of type $1 allowed here.
# Spammers are using foreign characters to fool regex
/\&[Ee]circ;/ REJECT Error number 900006.
/\&[Aa]tilde;/ REJECT Error number 900007.
# Anything that auto loads a webpage in an email is not good. Spam.
/dynsrc/ REJECT No auto-loaders, please.
# Why would non-spam have javascript in it? Spam.
/javascript/ REJECT java_script in email means spam.
# Using a white font on white background is a hash buster.
# A common way for spammers to fool distributed check sums.
/\<font color\>="white"/ REJECT Hash Busters mean SPAM.
# Zero pixel font size is another spammer trick.
/0px/ REJECT Why are you using a 0px font? Spam.