Increasing mail_max_userip_connections and sys resources

2016-01-14 Thread Nikolaos Milas
In our low-traffic server we have always kept the default value for IMAP mail_max_userip_connections (10). The server has been working fine! (Thank you Timo for this!) However, recently we have been having: Maximum number of connections from user+IP exceeded errors both for IMAP and

Corrupted index cache file - migration with zlib

2016-01-14 Thread Leon Kyneur
Hi I'm migrating some mailboxes from an old dovecot system where mailboxes are stored maildir uncompressed. I enabled zlib on the new system and migrated an account: doveadm -o mail_fsync=never backup -R -u tonyg imapc: when the account connects to the new system after a while i'm seeing the

Re: Corrupted index cache file - migration with zlib

2016-01-14 Thread Leon Kyneur
figured out my issue I changed: protocol imap { mail_plugins = quota imap_quota imap_zlib } to this: protocol imap { mail_plugins = $mail_plugins imap_quota imap_zlib } No longer getting the error after migration with zlib enabled.. could there be any kind of better warning or error

Re: Increasing mail_max_userip_connections and sys resources

2016-01-14 Thread Nikolaos Milas
On 14/1/2016 7:19 μμ, Nikolaos Milas wrote: 2. Could another dovecot setting prevent the above setting from being applied (e.g. due to connections exhaustion), i.e. should we also change other setting(s)? An associated question: I tried adding "process_limit = 2048" to imap: protocol

mmap failed

2016-01-14 Thread @lbutlr
Error: mmap() failed with file /home/user/Maildir/.Archive/dovecot.index.cache: Cannot allocate memory I have default_vsz_limit = 512 M in my conf file. (This error only occurs with a single user’s .Archive index, but that user has over 400,000 files int eh Archive mailbox) -- Let him who

Re: doveadm/dsync/imapc and foldernames including a "%"

2016-01-14 Thread Timo Sirainen
On 01/08/2016 05:49 PM, Timo Sirainen wrote: > >> On 06 Jan 2016, at 18:52, Peer Heinlein >> wrote: >> >> >> We're using doveadm/dsync/imapc to migrate accounts from Courier to >> Dovecot 2.2.20. >> >> On the source-server some user have folder names including