Hexamail Guard Administration Guide - Subject - Subject Checks

Subject Checks

There is an overview of the SPAM Blocking process here.

Subject Checks

   Checks

Run of spaces in the Subject
This rule identifies email containing runs of spaces in the subject, typical of SPAM
Example interface

(More Info)Off, Weight, Mark, Block, Delete
Block
where a run is
SPAM email often have runs of more than 7 spaces in the subject, legitimate email do not
Example interface
4 - 64 Spaces
8 Spaces
Nonalpha chars
This rule identifies email containing non alphanumerical characters in the subject, typical of SPAM
Example interface

(More Info)Off, Weight, Mark, Block, Delete
Block
where there are more than
SPAM email often have more than 4 non alphanumericals in the subject, legitimate email do not
Example interface
5 - 32 Characters
7 Characters
Punctuation chars
This rule identifies email containing many punctuation characters in the subject, typical of SPAM
Example interface

(More Info)Off, Weight, Mark, Block, Delete
Block
Missing Subject
This rule identifies email with no subject header or a blank subject
Example interface

(More Info)Off, Weight, Mark, Block, Delete
Weight
Internet Updated Phrases
The action to take if an Internet updated disallowed subject phrase is found.
Example interface

(More Info)Off, Weight, Mark, Block, Delete
Block
Gappy Text
G-a-p-p-y text found in the subject, this form of text is often used by spammers to foil spam blockers. As this practice is used to circumvent blocking: it is a highly reliable mechanism for detecting spam
Example interface

(More Info)Off, Weight, Mark, Block, Delete
Weight
Subject Emojis
This rule identifies email containing unicode emoji characters in the subject, typical of SPAM. To block individual specific emojis instead add them to the subject expressions and turn this setting off
Example interface

(More Info)Off, Weight, Mark, Block, Delete
Block