Re: Question about cyrus/procmail

Hi Uli,

Uli Schellhaas wrote:

> procmail wants to put some email into cyrus deliver program, and cyrus 
> does not accept it because of quota.
> Postfix will try the 5 days to deliver it.....
> Is there some way to bounce this directly, maybe have an nice error 
> report also send back ?

1) It's better to use LMTP to deliver messages from Postfix into Cyrus. 
For example, in main.cf:

mailbox_transport = lmtp:127.0.0.1:555

or:

mailbox_transport = lmtp:unix:/var/run/cyrus/socket/lmtp

Using LMTP requires either a TCP or Unix domain socket. Example services 
for cyrus.conf:

 lmtplo      cmd="lmtpd -a" listen="127.0.0.1:555" prefork=2 maxchild=100
 lmtpunix    cmd="lmtpd" listen="/var/run/cyrus/socket/lmtp" prefork=1 
maxchild=20

In the Cyrus world, it's best to use Sieve for message filters rather 
then Procmail.

2) Tto help prevent the over quota situation to begin with, add this to 
Cyrus's imapd.conf:

quotawarn: 90
quotawarnkb: 1024

(see man page for imapd.conf for descriptions of what each does)

There is also an option to fail permanently, rather then retry for 5 days:

lmtp_overquota_perm_failure: yes


Regards,

Wim



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