Re: Increasing mail_max_userip_connections and sys resources

2016-01-19 Thread Nikolaos Milas
On 15/1/2016 10:05 μμ, Joseph Tam wrote: ... Pragmatically, I set it high enough so that it meets the need of most clients, then deal with problems on a case by case basis ... Thank you very much Joseph for your quite useful advice and experience. Are you monitoring using "doveadm who"? 4.

Re: Increasing mail_max_userip_connections and sys resources

2016-01-15 Thread Joseph Tam
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 webma

Re: Increasing mail_max_userip_connections and sys resources

2016-01-15 Thread Nikolaos Milas
On 15/1/2016 10:50 πμ, Steffen Kaiser wrote: this setting belongs to the service imap { section. Oh, this is it! It works now! Thanks, Steffen. All the best, Nick

Re: Increasing mail_max_userip_connections and sys resources

2016-01-15 Thread Steffen Kaiser
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On Fri, 15 Jan 2016, Nikolaos Milas wrote: I tried adding "process_limit = 2048" to imap: protocol imap { imap_client_workarounds = "delay-newmail" mail_plugins = quota imap_quota notify replication process_limit = 2048 this sett

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 im

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 webmai