The Bomb Regular Expression list (bombRe) and the Script Regular Expression list (scriptRe) are the two primary Regular Expression blocking mechanisms in ASSP. If there is a match to either of these Regular Expressions while they are enabled for use, the message will be blocked from delivery to the recipient. Both can be very powerful mechanisms for rejecting spam, but they can also be very problematic by causing false-positive matches and mistakenly blocking email if they are not used with care.
Understanding the Concept
The bombRe and the scriptRe are actually a split of the same functionality, which was originally just a single bomb list. This bomb list was split so that each Regular Expression can recognize unacceptable word matches, HTML, and other embedded code separately - in order to respond with separate SMTP error codes depending on what was actually matched. This allows you to sternly reject with the bombRe, while providing a more verbose and user-friendly response to a scriptRe rejection. A user-friendly response can be appropriate because it is a common mistake for legitimate senders to accidentally embed HTML or other script code which could be dangerous to the recipient. This is typically an innocent mistake based on the email client used, as well as other factors (frequently involving Microsoft products embedding data that is obscured from the view and knowledge of the sender). It is generally in your best interest to inform these senders so that they have the opportunity to correct the issue.
For Information please visit http://www.asspsmtp.org/wiki/BombRe
- 27 Users Found This Useful
Related Articles
Powered by WHMCompleteSolution
