WARNING: using attachment_dir with plugin zlib can corrupt mails

2019-07-19 Thread Patrick Cernko via dovecot
Hello list, hello Dovecot developers, this week, I discovered a serious bug in Dovecot, that lead to several broken mails on our servers. The bug corrupts the first few characters of the mail header during saving. On our setup, it was almost always only the very first line of text, that was

lmtp report permission denied on delivery to multiple recipients

2019-05-22 Thread Patrick Cernko via dovecot
Hello, when receiving mails for multiple recipients via LMTP, I often see the following messages on our servers: May 22 11:06:10 sinon dovecot[44304]: lmtp(119718): Connect from $IP$ May 22 11:06:11 sinon dovecot[44304]: lmtp($USER1$)<119718><2HnmOgIR5Vym0wEA22L5Rg>: msgid=<$MSGID$>: saved

Re: dovecot-keywords are not preserved any more when moving mails between folders

2019-03-14 Thread Patrick Cernko via dovecot
Hi Timo, hi list, On 12.03.19 22:31, Timo Sirainen via dovecot wrote: On 12 Mar 2019, at 17.55, Dan Christensen via dovecot wrote: On Mar 12, 2019, Aki Tuomi via dovecot wrote: On 12.3.2019 13.46, Piper Andreas via dovecot wrote: after an upgrade of dovecot-2.2.5 to dovecot-2.3.4 the

Re: replication dropped imap flags

2019-03-14 Thread Patrick Cernko via dovecot
Update: The patch "dsync: Fix importing keywords with MAIL_TRANSACTION_SYNC flag set" mentioned in the mail from Timo Sirainen on 2019-03-12 22:31 on this list seems to fix this issue. Regards, -- Patrick Cernko +49 681 9325 5815 Joint Administration: Information Services and Technology

Re: Am I right to assume certificate renewal with the same filename requires a dovecot reload/restart

2019-03-14 Thread Patrick Cernko via dovecot
Hi Yassine, hi Kostya, On 14.03.19 10:17, Kostya Vasilyev via dovecot wrote: On Thu, Mar 14, 2019, at 12:09 PM, Yassine Chaouche via dovecot wrote: On 3/14/19 9:55 AM, Patrick Cernko via dovecot wrote: [...] the way we have configured exim, it neither needs reload or restart but reads

Re: Am I right to assume certificate renewal with the same filename requires a dovecot reload/restart

2019-03-14 Thread Patrick Cernko via dovecot
Hi, On 14.03.19 09:33, Yassine Chaouche via dovecot wrote: On 3/14/19 9:32 AM, Yassine Chaouche via dovecot wrote: The general answere here is try and see, as you could totally test it on your own. The certificate is read at startup and put in memory for the rest of the execution time.