[Dovecot] LMTP revisited

[Timo Sirainen]

On Mon, 2006-06-19 at 15:22 -0400, Glenn Leavell wrote:
> > That's how it normally works, and it doesn't support anything else  
> > currently. But at least Postfix supports giving it multiple  
> > recipients by increasing transport_destination_recipient_limit setting.
> 
> In this sort of configuration, does Dovecot's LDA provide individual status
> reports for each local recipient in a way that Postfix (or MTAs in general)
> can understand?  I know that this is a key feature of LMTP, because it
> allows MTAs to be smarter about how to handle failed local deliveries.  For
> example, without status reports for each individual recipient, an MTA will
> be forced to retry an entire batch of local deliveries if any one recipient
> fails with a transient error, causing duplicate mail for some of the
> recipients.

I don't know really. I'd guess that since such feature exists there's a
reasonable way to return temporary errors for some of the recipients.
But perhaps not.. Guess I'll have to check this before I start
implementing anything.
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