Viktor Dukhovni via Postfix-users:
[<LF>.<CR><LF> in BDAT payload]
> > If my suspicion is correct, a dwnstream server may receive the
> > normal and suggled content as two separate messages.
>
> I don't see why. It shouldn't matter how Microsoft's MTA ends up
> with a message containing "<LF>.<CRLF>" or (<LF>.<LF>), so long as
> they refuse to send the violating sequence to a non-BDAT peer. The
But that is the problem. Even BDAT payloads MUST have <CR><LF> line
endings, unless the client sends BINARYMIME content. Postfix does
not announce BINARYMIME, and as of today's fix will hang up if
<LF>.<CR><LF> or other malforms appear in BDAT payload.
Wietse
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