auth between postfix and dovecot?
Alexander Dalloz
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Sat Apr 23 15:07:00 UTC 2022
Am 23.04.2022 um 16:08 schrieb Shawn Heisey:
> On 4/22/2022 10:35 PM, ミユナ (alice) wrote:
>> my question is:
>>
>> when postfix talks to dovecot, does it require user's
>> username/password for authentication? or this communication just goes
>> without authentication?
[ ... ]
> When postfix sends mail to dovecot for delivery, I'm pretty sure that
> happens without authentication. It's LMTP via unix socket, not
> something an outside client can access directly.
>
> # In 10-master.conf
> service lmtp {
> unix_listener lmtp {
> #mode = 0666
> }
> }
[ ... ]
> # Tell postfix to hand off mail to the definition for dovecot in master.cf
> virtual_transport = dovecot
> dovecot_destination_recipient_limit = 1
With this Postfix configuration you do not make use of LMTP delivery.
Alexander
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