Spam filters
The Help Desk MX allows you to filter incoming emails automatically and cuts off spammers. It is done via special patterns to which emails are compared, and if a match is found - the corresponding message moves to the Spam folder.
How to Create Spam Pattern
To create a new spam pattern, go to Customers > Help Desk MX > SPAM Pattern. Press the button Add New. You will see the following properties:
- Title - Internal title of spam pattern.
- Is Active The period from which the spam pattern starts being active till it stops being active.
- Scope - Sets an email field that will be checked for a matching pattern. You can set the following areas:
- Headers - Service information that is generated by email client while sending the email.
- Subject - Subject of the email.
- Body - Main text of the letter or email.
- Pattern - Expression in which an email is considered spam. The pattern supports regular expression, see Regular Expressions. Patterns must be covered in slashes A useful service in testing patterns can be found here.
Examples Of Spam Patterns
-
Spam filter for all emails with the domain example.com
Scope: Headers
Pattern:/[^@][email protected]/
-
Filter for users who have emails which includes
user
, works for any domain.
Matches with: "[email protected]", [email protected]", "[email protected]".Scope: Headers
Pattern:/.*user.*[@](?!domain\.com).*$/
-
Filter block for emails beginning with the word "free" or containing the base word "free" after space.
Matches with: "free", "free money!", "free discount".
Doesn't match: "freeze", "nofree".Scope: Subject
Pattern:/^free[ ].*|^free/
-
Filter block for emails with text: Special offer.
Matches with: "$pecia1 Offer", "!!special Offer!!", "Special 0ffer?!".Scope: Body
Pattern:/.*[\$Ss]pecia[l1]\W[Oo0]ffer.*/