On 10/19/2016 12:51 PM, Stephan Bosch wrote: > Op 17-10-2016 om 18:05 schreef Alexander 'Leo' Bergolth: >> Does the duplicate sieve plugin do any locking to avoid duplicate >> parallel delivery of the same message? [...] >> Is there an easy way to serialize mail delivery using some locking >> inside sieve? > > We've seen this before I think. It would require some changes to the > duplicate tracking system. I'd expect the vacation command to be > affected as well.
Would be great! :-) >> Or do I have to serialize per-user dovecot-lda delivery? Any experiences >> with that? > > Very little. I know there is a new lmtp_user_concurrency_limit setting, > but there is not much documentation apart from the commit message: > https://github.com/dovecot/core/commit/42abccd9b2a5a4190bd3c14ec2dcc10d51c0f491 I am currently using dovecot-lda as mailbox_command, so this is not an option right now. > There are possibilities from within the MTA as well I expect. As a temporary workaround, I wrapped dovecot-lda with flock to serialize delivery: -------------------- 8< -------------------- #!/bin/sh exec /usr/bin/flock "$HOME/Maildir/INBOX" \ /usr/libexec/dovecot/dovecot-lda -f "$SENDER" -a "$RECIPIENT" -------------------- 8< -------------------- Cheers, --leo -- e-mail ::: Leo.Bergolth (at) wu.ac.at fax ::: +43-1-31336-906050 location ::: IT-Services | Vienna University of Economics | Austria
