On Thursday, June 27, 2002, Thomas F wrote...

JA>> An interesting idea I guess.  Would be an unusual method of filtering
JA>> to get viruses, unless they are explicitly blocking .bat files.
JA>> Although it'd be a really bad filter for it to do that.

> It less and less unusual. Many mail servers now reject executable
> files, such as .bat, .reg, .exe etc. Remember I sent a registry key to
> this list earlier? My first attempt was to attach the file rot13.reg,
> which was rejected by our very own Worldless on the grounds that it
> was executable. MDaemon suggested that I zip the file, which I did,
> and it went through eventually.

Hrm... then that is the most unusual method of doing mail filtering.
Although I can see the point in it.  But the thought of filtering on
the word 'bat' which must be what they're doing if it is to be caught
by this 'filter' would cause a large number of issues for anybody that
talks about bats, or has anything in the email regarding bats.

> Having said that, yes, I can imagine that the X-Mailer header being
> interpreted as a .bat file attachment may be the problem here. I hope
> it's just a setting in their server software...

Not unless they're filtering on the word 'bat' instead of '.bat'.  In
which case... the filter sucks, or is setup incorrectly, like not
escaping the .

-- 
Jonathan Angliss
([EMAIL PROTECTED])


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