http://bugzilla.spamassassin.org/show_bug.cgi?id=2930
Summary: alphanumeric matching
Product: Spamassassin
Version: current-CVS
Platform: Other
OS/Version: All
Status: NEW
Severity: enhancement
Priority: P5
Component: Rules
AssignedTo: [EMAIL PROTECTED]
ReportedBy: [EMAIL PROTECTED]
Since many spammers are starting to use punctuation (as mentioned in several
articles on spam recently), perhaps the following would be useful
remove all non-alphanumeric chracters, and convert popular alternatives to their
alphanumeric alternatives hence:
Get X(a)[EMAIL PROTECTED], Val�(u)m, V|@gra, Som(a) Diet Pills Many Meds.
DhH0MD8
Get Xanax, Valium, Viagra, Soma Diet Pills Many Meds. DhH0MD8
That would help eliminate the ability for spammers to use punctuation, and
different characters as a way to bypass spam filters:
\/ = V
| = I
@ = A
$ = S
etc.
That would prevent spammers from being able to use punctuation to defeat
SpamAssassin.
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