Mails pile up in queue when quota is exceeded

[ferrao]

I believe i have something misconfigured on my postfix setup, but it's pretty much a standard ispconfig 3 debian setup.

Whenever a user mailbox reaches it's quota limits, incoming mails just seem to pile up in the mailqueue and no bouncing email is sent back to the mail sender.

Anybody experienced this?

[till]

Do you use dovecot or courier in your setup?

[ferrao]

It's using courier Till!

[ferrao]

This is how my my mail queue looks like when a user exceeds it's quota :

ferrao@ed02:~$ mailq
-Queue ID- --Size-- ----Arrival Time---- -Sender/Recipient-------
2396221C09B 39040 Tue Oct 5 19:21:48 fakemail@fakedomain
(temporary failure. Command output: maildrop: maildir over quota.)
fakemail_noquota@fakedomain

7636B21C093 540281 Tue Oct 5 18:50:35 faquemail@fakedomain
(temporary failure. Command output: maildrop: maildir over quota.)
fakemail_noquota@fakedomain

.
.
.
and so on, all incoming messages just hang here
.
.
.

[till]

Please see here:

http://old.nabble.com/when-maildir-o...d15663464.html

[ferrao]

Thanks till!

They mention

maximal_queue_lifetime (default: 5d)

, i believe my emails are on the queue for longer than 5 days, but will double check on that.

Not sure how that option plays with :

virtual_maildir_limit_message = "The user you are trying to reach is over quota."
virtual_overquota_bounce = yes

Should this not tell postfix to bounce the overquota emails at once?
Anyway i think you have pointed me the proper direction, i will investigate all of this.

But can i just change main.cf at my will? Will ispconfig not overwrite settings upon my next update?

[till]

The maildelivery and quota management is done by courier maildrop, virtual maildir quotas in postfix are a different quota method which are not used for courier or dovecot maildir deliveries.