[Dovecot] LMTP benefit vs LDA

[Joseph Tam]

Daniel Parthey writes:

> Davide wrote:
>> my question is what is benefit implementing LMTP service replacing
>> LDA i have dovecot 2.1.8 with vpoipmail+qmail and about 500 users
>> now i'm using LDA and i'm interested on LMTP service.
>
> with LMTP...
> * you dont need to care about mail filesystem permissions
> * you can use dovecot lmtp proxy and/or director
> * you don't need to spawn a new process for each message

One of the (potential) benefit is that a LMTP, because it can handle
multiple recipients, has the ability to optimize I/O (or storage?) by
using hardlinking to a single copy of a message (deduping).  I don't
know if Dovecot takes advantage of this in any way though.

Joseph Tam <jtam.home at gmail.com>