Hi all,

I'm using qmail-scanner-1.23st on a local server that collects messages
from all my boxes via fetchmail.

Recently, I got several bulk mails from an institution at my former
university, which were quarantined because of "Disallowed MIME
characters...".
The messages turned out to have some header lines correctly ending
with "\r\n" and others with bare "\n". As a workaround for the problem I
disabled the EOL check in qmail-scanner, but I don't really want to miss
that extra feature.

Does anyone know, whether the forcecr option in fetchmail does the same
trick and how it affects probable virus-shortcuts?

The FAQ to qmail-scanner is a bit misleading here, since it
implies that all header lines containing a \r (also at the EOL)
won't pass the filter.

I didn't look at the code so far, but I guess it checks whether \r is
preceeded by a correct header line (foo: bar) and followed by a \n. Is
that assumption correct? If yes, please update the FAQ, since google is
full of questions regarding the "Disallowed MIME characters". Doing so
would for sure clarify a lot, at least for people who can (and are
willing to) read ;-)

Thanks in advance!

Regards,
Torsten





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