Re: Deliver same E-Mail in same Mailbox only once ?

• Christoph Adomeit <Christoph.Adomeit@gatworks.de> 2016.04.20 10:29:

Is there a way to deliver the same Mail in the same Mailbox only once ?

Yes this case is supported via an sieve extension:

require ["duplicate"];

#Deduplicate mails sent to aliases for same mailbox using the msgid

if duplicate { discard; }