[Dovecot] Question about ionice & dovecot-deliver

Patrick Domack patrickdk at patrickdk.com
Sun Oct 16 02:46:21 EEST 2011

This sounds like a postfix issue more than dovecot.

Its easy to make a slow deliever transport for postfix, many people do  
so when sending emails to hotmail/yahoo.

Sounds like that solution would work for you, just applied to the  
dovecot transport instead.

Quoting Maria Arrea <maria_arrea at gmx.com>:

> Hello
>  We are running dovecot 2.0.13 with mdbox on RHEL 5.7 x64, ext4  
> filesystem. Sometimes we have a big load increase because a mailing  
> list server send 16.000 32k messages in less than 3 minutes. We want  
> to "slow down" delivery, we prefer slow delivery instead of logging  
> out webmail users.
>  I have  the following line en /etc/postfix/master.cf:
>  flags=DRhu user=userid argv=/usr/libexec/dovecot/deliver -d ${user}
> And in /etc/postfix/main.cf
>  mailbox_command = /usr/libexec/dovecot/deliver
> I would like to add ionice to the equation, prefixing  
> /usr/bin/ionice -c2 -n6 before the deliver lines in postfix config.  
> Is there any other way of slowing down delivery speed vs imap access?
>  Regards
>  Maria

More information about the dovecot mailing list