good options for Multiple users on a common email account

[Pat G]

Hi,

it wasn't enough, then i added the default_process_limit and it was good. No more error

Regards


Le mercredi 23 juin 2021 à 21:13:32 (-0400), John Stoffel a écrit :
> >>>>> "Pat" == Pat G <patgsiosisr at gmail.com> writes:
> 
> 
> Pat> i ve a mail server to manage with some email accounts but with
> Pat> multiples users (+50) using a common email.  it indicates
> Pat> sometimes that it can't connect cause too many connections.
> 
> Can you post some log messages from around when this happens?  It
> should be easy enough to generate loadby running abunch of fetchmail
> processes or other imap CLI tools against those shared accounts. 
> 
> Pat> what are the good options to allow a lot of users for a specific
> Pat> account ?
> 
> I'm honestly not sure, but it shouldn't care whether it's one account
> logged in multiple time, or a whole bunch of accounts all accessing
> their own mailboxes.  
> 
> Pat> i modifyied these options :
> Pat> auth_worker_max_count = 60
> Pat> mail_max_userip_connections = 60
> 
> Pat> is it sufficient ?
> 
> Pat> dovecot -n :
> 
> Pat> auth_worker_max_count = 60
> Pat> mail_location = maildir:/home/%u/Maildir
> Pat> namespace inbox {
> Pat>   inbox = yes
> Pat>   location = 
> Pat>   mailbox Drafts {
> Pat>     special_use = \Drafts
> Pat>   }
> Pat>   mailbox Junk {
> Pat>     special_use = \Junk
> Pat>   }
> Pat>   mailbox Sent {
> Pat>     special_use = \Sent
> Pat>   }
> Pat>   mailbox "Sent Messages" {
> Pat>     special_use = \Sent
> Pat>   }
> Pat>   mailbox Trash {
> Pat>     special_use = \Trash
> Pat>   }
> Pat>   prefix = 
> Pat> }
> Pat> passdb {
> Pat>   driver = pam
> Pat> }
> Pat> protocols = " imap"
> Pat> service imap-login {
> Pat>   inet_listener imaps {
> Pat>     port = 993
> Pat>     ssl = yes
> Pat>   }
> Pat> }
> Pat> ssl_cert = </etc/ssl/certs/dovecot.pem
> Pat> ssl_key =  # hidden, use -P to show it
> Pat> userdb {
> Pat>   driver = passwd
> Pat> }
> Pat> protocol imap {
> Pat>   mail_max_userip_connections = 60
> Pat> }
> 
> I would just bump those two numbers up and load test with an IMAP
> client you can script out.  Shouldn't be too hard to do.
> 
> John

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