From: Mike McDermott (mikeevolveinc.com)
Date: Thu Nov 01 2007 - 10:07:03 CDT

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Have looked all over for a solution to this problem, hoping somebody could
help me with it.

I have a postfix/courier/maildrop setup with virtual mailboxes with quotas.
The quotas appear to work fine. However, postfix is not sending a bounceback
email, and maildrop is reporting TMPFAIL when a user is over quota. Postfix
then appears to be queuing the message for delivery at a later date when
there is free space. I don't mind this functionality, but I must have a
bounceback.

This is the message I get in my logs:

Nov 1 10:51:24 mail postfix/pipe[1718]: 78DB7A9C28D: to=<email>,
relay=maildrop, delay=1.2, delays=0.02/0/0/1.2, dsn=4.3.0, status=deferred
(temporary failure. Command output: maildrop: maildir over quota. maildrop:
maildir over quota. )

I have virtual_quota_bounce set to "yes" and my postconf appears to be setup
correctly. My theory is that Postfix is sending the bounceback to Maildrop
instead of just sending it out of postfix. Is this the case? And if it is,
how can I get the bounceback to be routed outside of maildrop?

My postconf -n :

alias_database = hash:/etc/aliases
alias_maps = hash:/etc/aliases
append_dot_mydomain = no
biff = no
broken_sasl_auth_clients = yes
config_directory = /etc/postfix
inet_interfaces = all
message_size_limit = 20971520
mydestination = mail.evolveinc.com, localhost, localhost.localdomain
myhostname = mail.evolveinc.com
mynetworks = 127.0.0.0/8
recipient_delimiter = +
relayhost =
smtp_tls_session_cache_database = btree:${queue_directory}/smtp_scache
smtpd_banner = $myhostname ESMTP $mail_name (Debian/GNU)
smtpd_recipient_restrictions = permit_mynetworks, permit_sasl_authenticated,
reject_unauth_destination
smtpd_sasl_auth_enable = yes
smtpd_tls_cert_file = /etc/ssl/certs/ssl-cert-snakeoil.pem
smtpd_tls_key_file = /etc/ssl/private/ssl-cert-snakeoil.key
smtpd_tls_session_cache_database = btree:${queue_directory}/smtpd_scache
smtpd_use_tls = no
transport_maps = mysql:/etc/postfix/mysql-virtual_transports.cf
virtual_alias_domains =
virtual_alias_maps =
mysql:/etc/postfix/mysql-virtual_forwardings.cf,mysql:/etc/postfix/mysql-vir
tual_email2email.cf
virtual_create_maildirsize = yes
virtual_gid_maps = static:5000
virtual_mailbox_base = /home/vmail
virtual_mailbox_domains = mysql:/etc/postfix/mysql-virtual_domains.cf
virtual_mailbox_limit_maps =
mysql:/etc/postfix/mysql-virtual_mailbox_limit_maps.cf
virtual_mailbox_limit_override = yes
virtual_mailbox_maps = mysql:/etc/postfix/mysql-virtual_mailboxes.cf
virtual_overquota_bounce = yes
virtual_transport = maildrop
virtual_uid_maps = static:5000

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