Deliver same E-Mail in same Mailbox only once ?

[Thomas Leuxner]

* Heiko Schlittermann <hs at schlittermann.de> 2016.04.20 19:31:

> > * Christoph Adomeit <Christoph.Adomeit at gatworks.de> 2016.04.20 10:29:
> > #Deduplicate mails sent to aliases for same mailbox using the msgid
> > if duplicate {
> >       discard;
> > }
> 
> I wouldn't do that. Message with the same message id doesn't need to be
> duplicates. See the difference between this message (I put you on BCC),
> you'll receive it via the mailing list AND directly. Depending on the ML
> configuration the messages are NOT identical.

It really depends on the OPs requirements. The task was to filter cc: mails. Anyway if that is your concern, no message was discarded using bcc:

Apr 20 19:31:13 nihlus dovecot: lmtp(27566): Connect from local
Apr 20 19:31:13 nihlus dovecot: lmtp(tlx at leuxner.net): NbCKIuG8F1euawAAgUOSbA: sieve: msgid=<20160420173100.GR14754 at jumper.schlittermann.de>, time=115ms, status=stored mail into mailbox 'INBOX'
Apr 20 19:31:13 nihlus dovecot: lmtp(27566): Disconnect from local: Successful quit
Apr 20 19:31:24 nihlus dovecot: lmtp(27566): Connect from local
Apr 20 19:31:25 nihlus dovecot: lmtp(tlx at leuxner.net): OrCKIuG8F1euawAAgUOSbA: sieve: msgid=<20160420173100.GR14754 at jumper.schlittermann.de>, time=117ms, status=stored mail into mailbox ':public/Mailing-Lists/Dovecot'
Apr 20 19:31:25 nihlus dovecot: lmtp(tlx at leuxner.net): OrCKIuG8F1euawAAgUOSbA: sieve: msgid=<20160420173100.GR14754 at jumper.schlittermann.de>, time=117ms, status=marked message to be discarded if not explicitly delivered (discard action)
Apr 20 19:31:25 nihlus dovecot: lmtp(27566): Disconnect from local: Successful quit

Regards
Thomas
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