Subject Checks
There is an overview of the SPAM Blocking process here .
Checks Run of spaces in the Subject
This rule identifies email containing runs of spaces in the subject, typical of SPAM
Example interface:
Default: Block
where a run is
SPAM email often have runs of more than 7 spaces in the subject, legitimate email do not
Example interface:
Range 4 - 64 Spaces
Default: 8 Spaces
Nonalpha chars
This rule identifies email containing non alphanumerical characters in the subject, typical of SPAM
Example interface:
Default: Block
where there are more than
SPAM email often have more than 4 non alphanumericals in the subject, legitimate email do not
Example interface:
Range 5 - 32 Characters
Default: 7 Characters
Punctuation chars
This rule identifies email containing many punctuation characters in the subject, typical of SPAM
Example interface:
Default: Block
Missing Subject
This rule identifies email with no subject header or a blank subject
Example interface:
Default: Weight
Internet Updated Phrases
The action to take if an Internet updated disallowed subject phrase is found.
Example interface:
Default: 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:
Default: Weight