False positives "text/plain,.exe"

[Tilman Schmidt]

That's cute: when I got my copy of that message back from the list
processor it was also flagged as containing a text/plain,.exe
attachment. So whatever it is that leads Amavis to this conclusion,
it survives being included verbatim in the body of another
text/plain mail.

On 26.04.2016 12:47, Tilman Schmidt wrote:
> 
> On 26.04.2016 12:28, Olivier Nicole wrote:
>> 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".
> [...]
>> That would request an example I think
> 
> No prob, this here comes straight from my quarantine folder. The
> message itself came from the mailing list, so I consider it public.
> I just deleted the (internal) recipient address. Hope it goes through
> sufficiently unmangled:
[snipped to avoid another round of bans]