at that point, why not run scripts already?
On October 5, 2025 12:54:48 AM GMT+03:00, Hadmut Danisch via dovecot <[email protected]> wrote: >Hi, > >can dovecot sieve query any external database ( berkeley database file, rest >api, whatever) to determine the target folder by sender address? > > > >Background: > >I have to migrate a mailbox from an old ubuntu system running with mailfilter >as a local delivery agent, and dovecot just as an IMAP server. > >Since recent ubuntu versions do not have mailfilter anymore (abandoned for a >decade) I need to substitute the mailfilter file with dovecot sieve. > > >The old mailfilter script contained something like > > >if (gdbmopen(".mailfilter.gdbm", "R") == 0) > { > if ( (box=gdbmfetch(tolower($FROM),"D")) ne "" ) > to $box > > if ( /^From: .*<(.*)>/ ) > { > if ( (box=gdbmfetch(tolower($MATCH1),"D")) ne "" ) > to $box > } > > gdbmclose > } > > >which allowed to sort mails into mailboxes depending on the sender for >hundreds of sender addresses in a fast end efficient way. > > >It wouldn't make sense and be too slow to translate this into a sieve script >with a thousand > >if header :matches ... > >elsif header :matches > >... > > >Is there a way to do this efficently in dovecot's sieve? > > >regards > >Hadmut > > > > > > >_______________________________________________ >dovecot mailing list -- [email protected] >To unsubscribe send an email to [email protected] _______________________________________________ dovecot mailing list -- [email protected] To unsubscribe send an email to [email protected]
