Message contains NUL characters ...

John Fawcett johnml at
Thu Apr 28 12:36:35 EDT 2005

Igor Brezac wrote:
> On Thu, 28 Apr 2005, Henrique de Moraes Holschuh wrote:
>> On Thu, 28 Apr 2005, John Fawcett wrote:
>>> Anyone know whether a patch for cyrus to strip out nuls would be
>>> welcome?
>> Make it clean, and optional (as in either reject the message, or
>> remove the
>> NULs...), and I don't see why not.  The default would need to be reject,
>> though.
oops I replied to the last mail without seeing these follow-ups.

> I think we are saying the same thing: the current behaviour needs to be
> default.

> I personaly think that this filtering belongs in MTA.

intervening in cyrus just means having a solution to a limit
imposed by cyrus (or imap) regardless of the MTA in use.

I think there is little interest in patching MTAs. I imagine
that not every delivery agent/message store will reject NULs
so there is no need for the MTA to strip them out.


>> But we really need to do something about the also non-RFC compliant crap
>> that sends too-big lines as well, cyrus screws up when breaking those
>> lines.
>> Is that bug completely fixed yet?
> This bug is still not fixed.  ;-(

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