[Dovecot] sieve plugin - reject sends MDN. Can it 550 reject ?

[Ken A]

On 4/15/2010 4:37 PM, Scott Silva wrote:
> on 4-15-2010 2:05 PM Ken A spake the following:
>> I'm using dovecot-1.2-sieve-0.1.15 with dovecot-1.2.11.
>>
>> I have a reject test filter that looks like this:
>>
>> require "reject";
>> if header :contains "subject" "reject" {
>> reject "bye";
>> }
>>
>> Is there any way to get a "reject" filter to send back a 550 reject as
>> detailed in http://ietfreport.isoc.org/idref/rfc5429/#section-2.5 rather
>> than a MDN?
>>
>> The MDN can result in blowback spam. :-(
>>
>> Thanks,
>> Ken
>>
>>
> Only the MTA can do that. By the time dovecot gets the message it has already
> been accepted, and it is too late for a reject. You could try a milter that
> runs in front of your mailserver and can reject a message during the data
> phase. Once accepted, and the connection is closed, there is no way to do what
> you ask.
>

That makes sense, duh. Default behavior is to send an immediate MDN, 
which is not what I expected. I found the setting in to get it to Defer, 
"EX_TEMPFAIL" instead (quota_full_tempfail = yes).
That makes it compatible with my existing over quota monitoring. :-)

Thanks,
Ken



-- 
Ken Anderson
Pacific Internet - http://www.pacific.net