Lmtp issues on dovecot 2.3.x with big messages

Stephan Bosch stephan at rename-it.nl
Thu Apr 5 02:56:41 EEST 2018


Op 4/4/2018 om 11:38 PM schreef Stephan Bosch:
> Op 4/4/2018 om 8:26 PM schreef Ricardo Machini Barbosa:
>> Hello,
>>
>> After update dovecot to version 2.3.x, LMTP stopped to receive big messages
>> ( > 45 MB ).
>> 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.

Regards,

Stephan.


More information about the dovecot mailing list