False positives "text/plain,.exe"

[Olivier Nicole]

Tilman Schmidt <tschmidt at cardtech.de> writes:

> On our mailserver, Amavis is quarantining a lot of mails claiming that
> they contain a banned attachment of type "text/plain,.exe" even though,
> when inspecting the quarantined mail, they turn out not to contain any
> attachment at all, not even an image or signature, just "text/plain"
> and possibly "text/html" within "multipart/alternative".
>
> Most frequent victims of this are mailing list messages from the Python
> mailing list, but other quite innocuous individual mails are affected,
> too.
>
> This is becoming quite annoying for the users and creates unnecessary
> work for the administrators to check and release all those messages.
>
> Is this a known problem? How can it be fixed?
>
> TIA

That would request an example I think

Olivier

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