It turns out that if I enable this option: pop3_deleted_flag = "$POP3Deleted”
The issue no longer persists. I have to manually expunge the kept mails that have been deleted via pop3 though: doveadm expunge mailbox INBOX KEYWORD '$POP3Deleted' -A Wolfgang > On 21 Jun 2015, at 21:05, Wolfgang Hennerbichler <wo...@wogri.com> wrote: > > FWIW I just tried the sdbox mailbox format for a singe user (not the whole > installation) by overriding the mail-userattr via ldap and the problem > persists, so I don’t think it’s an issue with maildir per se, but rather a > pop3 / replication issue or a misconfiguration on my side. > > Wolfgang > >> On 20 Jun 2015, at 22:29, Wolfgang Hennerbichler <wo...@wogri.com> wrote: >> >> Hi, >> >> When I enable (and it only happens when it is actually running) replication >> over TCP my users get duplicate mails via pop3. >> Here’s what happens: >> >> * User gets mail >> * Mail appears in (Maildir) new/ folder on both replicas >> * user retrieves mail (retr), calls dele. Mail still exists in new/ folder >> on both replicas. >> * user runs retr (and gets the duplicate) and dele a second time, the mail >> is actually removed. >> If I disable replication this behaviour goes away. >> I use dovecot from debian stable resources. >> Any help would _really_ be appreciated. I found one german thread that dealt >> with the same problem, but no solution for it >> (http://www.dovecot-buch.de/mailingliste/pop3-fehler-bei-delete-und-dsync-replikation/) >> >> >> wogri >> >> # dovecot --version >> 2.2.13 >> >> # dovecot -n >> # 2.2.13: /etc/dovecot/dovecot.conf >> # OS: Linux 3.16.0-4-amd64 x86_64 Debian 8.0 ext4 >> auth_verbose = yes >> doveadm_password = XXX >> first_valid_gid = 113 >> first_valid_uid = 108 >> last_valid_gid = 113 >> last_valid_uid = 108 >> mail_gid = dovecot >> mail_location = maildir:/var/mail/%n >> mail_plugins = quota fts fts_lucene virtual notify replication >> mail_temp_dir = /var/lib/dovecot/tmp >> mail_uid = dovecot >> namespace { >> list = children >> location = virtual:/var/mail/%n/virtual >> prefix = virtual. >> separator = . >> } >> namespace inbox { >> inbox = yes >> list = yes >> location = >> mailbox "Deleted Messages" { >> auto = subscribe >> special_use = \Trash >> } >> mailbox Drafts { >> special_use = \Drafts >> } >> mailbox Junk { >> special_use = \Junk >> } >> mailbox Sent { >> special_use = \Sent >> } >> mailbox "Sent Messages" { >> auto = no >> special_use = \Sent >> } >> mailbox Spam { >> auto = subscribe >> special_use = \Junk >> } >> >> [48/4646] >> mailbox Trash { >> special_use = \Trash >> } >> prefix = >> separator = . >> subscriptions = yes >> type = private >> } >> passdb { >> args = /etc/dovecot/dovecot-ldap.conf.ext >> driver = ldap >> } >> plugin { >> default_language = de >> fts = lucene >> fts_lucene = whitespace_chars=@. >> mail_replica = tcp:172.16.1.1:12345 >> quota = maildir:User quota >> quota_rule = *:storage=4G >> quota_rule2 = Trash:storage=+100M >> quota_rule3 = Spam:ignore >> quota_warning = storage=95%% quota-warning 95 %u >> quota_warning2 = storage=80%% quota-warning 80 %u >> sieve = /etc/sieve/%n.sieve >> sieve_default = /etc/sieve/default.sieve >> sieve_dir = ~/sieve >> sieve_extensions = +editheader >> } >> postmaster_address = postmas...@wogri.at >> protocols = " imap lmtp pop3" >> service aggregator { >> fifo_listener replication-notify-fifo { >> user = dovecot >> } >> unix_listener replication-notify { >> user = dovecot >> } >> } >> service doveadm { >> inet_listener { >> port = 12345 >> } >> } >> service imap { >> process_limit = 1024 >> } >> } >> service lmtp { >> inet_listener lmtp { >> address = 127.0.0.1 >> port = 2003 >> } >> user = dovecot >> } >> service managesieve-login { >> inet_listener sieve { >> port = 4190 >> } >> service_count = 1 >> } >> service pop3 { >> process_limit = 1024 >> } >> service quota-warning { >> executable = script /usr/local/sbin/quota-warning.sh >> unix_listener quota-warning { >> user = dovecot >> } >> user = dovecot >> } >> service replicator { >> process_min_avail = 1 >> unix_listener replicator-doveadm { >> mode = 0600 >> } >> } >> ssl = required >> ssl_cert = </etc/exim4/server.cert.pem >> ssl_key = </etc/exim4/server.key.pem >> userdb { >> args = /etc/dovecot/dovecot-ldap.conf.ext >> driver = ldap >> } >> protocol lmtp { >> mail_plugins = quota sieve virtual notify replication >> } >> protocol lda { >> mail_plugins = quota fts fts_lucene virtual notify replication sieve >> } >> protocol imap { >> mail_max_userip_connections = 50 >> mail_plugins = quota fts fts_lucene virtual notify replication imap_quota >> } >> >
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