[Dovecot] LMTP proxying strategy with multiple recipient delivery

Luca Palazzo luca.palazzo at unict.it
Mon Sep 13 18:02:26 EEST 2010


Timo Sirainen <tss at iki.fi> ha scritto:

> On Thu, 2010-09-09 at 07:46 +0200, Luca Palazzo wrote:
>> how does Dovecot act when an MTA tries to deliver a multiple recipient
>> message to a LMTP proxied system?
>
> It also tries to forward the same message with one DATA and multiple
> RCPT TOs.
Does it proxy TOs using director's users affinity?
>
>> I use lmtp_destination_recipient_limit = 1 setting in postfix to avoid
>> multiple recipient delivery. Is it right?
>
> Shouldn't be necessary. It's been tested to work with multiple
> recipients, but bugs are of course still possible.
>
>> I use lmtp_destination_concurrency_limit = 1 too, but i think that it's
>> useless or, maybe, it can make performance worst.
>
> Probably.
>
>




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