Tobi:
> Hello list
>
> first of all: I know suppressing NDR/Delay Delivery Notifications is not
> a "good" thing as they can be helpful.
> But I have a case where I really need to suppress them :-)
>
> My mailsystem consinsts of two postfix instances (mx and scanner) and
> the mailbox servers where scanners deliver via lmtp.
> The mail flow is
>
> outside world (smtp) --> mx (smtp) --> scanner (lmtp) --> mailbox
>
> Now I have several spamtrap addresses and catch-alls which are aliased
> by mx to the same RCPT address s...@example.tld
> This address does trigger some dovecot-sieve scripts on mbox upon
> receiving msg via lmtp.
> When the mbox servers are under heavy load the sieve-script is not
> processed fast enough and postfix on scanners keep the msg in queue
Why mess with NDRs, when you could reduce the intensity of the flow
to the mbox servers?
Wietse
