Lmtp issues on dovecot 2.3.x with big messages

Reio Remma reio at mrstuudio.ee
Wed May 23 08:48:09 EEST 2018


On 17.04.2018 2:21, Stephan Bosch wrote:
> Op 16/04/2018 om 19:57 schreef Michael Tratz:
>>>>> Messages are being sent to dovecot LMTP by postfix. If I change 
>>>>> this email
>>>>> to another server with dovecot 2.2.x the same message are delivered
>>>>> immediately.
>>>> Confirmed. Starts to fail here around 30Mb. Tested with Swaks.
>>>>
>>>> Working on a fix...
>>> Problem found. It is an explicit limit of 40Mb (for the 30Mb I saw 
>>> in my
>>> tests, there was also a base64 encoding I forgot about).
>>>
>>> Will fix both the unhelpful error and the fact that there should be no
>>> limit (currently) for LMTP.
>>>
>> Stephan,
>>
>> I’m having the same issue with LMTP and large messages with dovecot 
>> 2.3.x. Can you tell me which commit fixes this issue? I looked 
>> through the GitHub commits, but it’s not clear to me which commit 
>> fixes this issue. I’d like to apply the patch and re-compile dovecot 
>> for my machines instead of having to downgrade to 2.2.35.
>
> This fix is currently pending: 
> https://github.com/stephanbosch/dovecot-core/commits/lmtp-fix-msg-size-limit
>
> I'm seeing some CI issues still and I am waiting on some input from 
> someone else.
>
> Regards,
>
> Stephan.

Any news on when this fix might turn up in a release?

Thanks,
Reio


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