Same here with Exim delivering to Dovecot via LMTP.
On Sat, Jan 20, 2024 at 7:23 PM Christian Kivalo <[email protected]> wrote:
On January 21, 2024 12:51:00 AM GMT+01:00, Michael Peddemors
<[email protected]> wrote:
>On 2024-01-19 16:12, Peter wrote:
>> On 20/01/24 12:28, Joe Acquisto wrote:
>>> I noticed that many places in the documentation and in examples
gleaned from the wilderness, refer to the LDA protocol when
discussing sieve.
>>>
>>> The documentation also mentions that lmtp is preferred over lda,
and seems to say in places that sieve will operate without issue in
either case.
>>>
>>> Does it matter to sieve implementation if one uses only lmtp?
>>
>> LDA is older, think of LMTP as a more modern replacement. LDA has
to launch a separate process and process one message at a time. LMTP
maintains a running service and can stream multiple messages in a
single connection, therefore LMTP is a lot more efficient.
>>
>> You will see a lot of bad advice on the internet, or old outdated
advice. Tutorials that use LDA is an example of old, outdated
advice.
>>
>> Sieve itself doesn't care which one you use, but there are other
reasons to prefer LMTP.
>
>Just wish LMTP would not end up with duplicate Return-Path headers..
Duplicate return path headers? I don't see them on my system. All
mail is sent from postfix to dovecot with lmtp
--
Christian Kivalo
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Larry Rosenman http://www.lerctr.org/~ler
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