dovecot: imap Error: read : Broken pipe

Aki Tuomi aki.tuomi at
Tue Nov 6 08:30:54 EET 2018

On 6.11.2018 2.28, Felipe Gasper wrote:
>> On Nov 5, 2018, at 6:19 PM, Carl St-Laurent <stlauca at> wrote:
>> Hi everyone,
>> I'm trying to find a solution for this bug who appears 2 months ago :
>> dovecot: imap(%USER%): Error: read(<binary stream of mailbox INBOX UID (%d)>) failed: Broken pipe (FETCH BINARY[2] for mailbox INBOX UID (%d)
> That looks a bit goofy … read() should never produce EPIPE, AFAIK?
> -F

It is bit strange that you are not experiencing this problem at the
office, but only from remote location(s). This does turn the pointing
finger towards firewall (despite what you said). Can you take pcaps from
this, since it seems to be reproducible and send them to me privately?


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