Blocking e-mail with special characters in username
John Wilcock
john at tradoc.fr
Fri Dec 1 11:37:16 GMT 2006
emm1 wrote:
> I have been having alot of e-mails like this one
> from=<biographicalparallelism's at acbm.com>. How can I block e-mail that
> contain characters like ' in the username/domain field?
>
> Thanks!
I've been seeing a few of these, but all have scored well over 10 points
largely thanks to SARE stocks rules.
If you want a specific rule, this should catch them:
header local_FROM_APOSTROPHE From =~ /\<\w[\w']{1,30}\@/
John.
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