dovecot Digest, Vol 229, Issue 23

[Thom Pol]

I must say I was a bit sceptical if this sieve script would resolve it, 
but it seems like it totally did! Thanks a lot for your reply, hope this 
helps someone else in the future as well.

Kind regards,

Thom Pol



On 16/05/2022 08:12, Paul Kudla (SCOM.CA Internet Services Inc.) wrote:
> ok duplicsate emails (even across dsync, replication etc) is typically
> handled via a global sieve script
>
>
> I use :
>
> # cat duplicates.sieve
> require "duplicate";           # for dovecot >= 2.2.18
>
> if duplicate {
>       discard;
>       stop;
> }
>
> for the scripts
>
> and setup sieve to work via my dovecot.conf file
>
> relative parts below :
>
> --------------------------------------------------------------------
>
> protocols = imap pop3 lmtp sieve
>
> protocol lmtp {
>     mail_plugins = $mail_plugins sieve
>     postmaster_address =monitor at scom.ca
> }
>
>
> protocol lda {
>     mail_plugins = $mail_plugins sieve
> }
>
>
> plugin {
> .....
>
>     sieve =file:~/sieve;active=~/sieve/.dovecot.sieve
>
>     sieve_duplicate_default_period = 1h
>     sieve_duplicate_max_period = 1d
>     sieve_extensions = +duplicate +notify +imapflags +vacation-seconds
>     sieve_global_dir = /usr/local/etc/dovecot/sieve
>     sieve_before = /usr/local/etc/dovecot/sieve/duplicates.sieve
>
> .....
> }
>
> service managesieve-login {
>     process_limit = 1000
>     vsz_limit = 1g
>     inet_listener sieve {
>       port = 4190
>     }
> }
>
> protocol sieve {
>     managesieve_implementation_string = Dovecot Pigeonhole
>     managesieve_max_line_length = 65536
> }
>
>
>
> ------------------------------------------------------------------
>
>
> note the sieve_before which handles duplictes during delivery etc.
>
>
> Happy Monday !!!
> Thanks - paul
>
> Paul Kudla
>
>
> Scom.ca Internet Services<http://www.scom.ca>
> 004-1009 Byron Street South
> Whitby, Ontario - Canada
> L1N 4S3
>
> Toronto 416.642.7266
> Main?1.866.411.7266
> Fax?1.888.892.7266
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