Dovecot doesn't sent rejection message user overquota

Antonello Cioffi antonello.cioffi at uniparthenope.it
Tue Dec 1 15:10:56 UTC 2015


Hi

I'm using postfix+dovecot (2.2.18).

The problem is that dovecot silently discard message when user has its 
own mailbox full without sending rejection message to the sender.

Here a sample log:

Dec  1 14:54:23 posta2 postfix/smtp[21478]: B315111C00B: 
to=<antonen at uniparthenope.it>, 
relay=192.168.241.110[192.168.241.110]:25, delay=0.4, 
delays=0.2/0/0/0.2, dsn=2.0.0, status=sent (250 2.0.0 Ok: queued as 
C27BF1244DD)
Dec  1 14:54:23 posta2 dovecot: lda(antonen): Error: sieve: 
msgid=<565DA68E.8060308 at uniparthenope.it>: failed to store into mailbox 
'INBOX': Quota exceeded (mailbox for user is full)
Dec  1 14:54:23 posta2 dovecot: lda(antonen): sieve: Execution of script 
/usr/local/etc/dovecot/sieve/default.sieve failed with unsuccessful 
implicit keep
Dec  1 14:54:23 posta2 dovecot: lda(antonen): 
msgid=<565DA68E.8060308 at uniparthenope.it>: rejected: Quota exceeded 
(mailbox for user is full)
Dec  1 14:54:23 posta2 postfix/pipe[21020]: 111FB11C00B: 
to=<antonen at uniparthenope.it>, relay=dovecot, delay=0.14, 
delays=0.05/0.01/0/0.09, dsn=2.0.0, status=sent (delivered via dovecot 
service)

This is dovecot configuration:

posta2:/usr/local/etc/dovecot # doveconf -n
# 2.2.18: /usr/local/etc/dovecot/dovecot.conf
# Pigeonhole version 0.4.8 (0c4ae064f307+)
# OS: Linux 3.0.101-0.46-default x86_64 SUSE Linux Enterprise Server 11 
(x86_64)
auth_mechanisms = plain login
auth_username_format = %Ln
auth_verbose = yes
default_internal_user = vmail
default_login_user = nobody
disable_plaintext_auth = no
first_valid_uid = 100
lda_mailbox_autocreate = yes
lda_mailbox_autosubscribe = yes
mail_gid = 100
mail_location = maildir:%h
mail_plugins = " quota"
mail_uid = 1002
managesieve_notify_capability = mailto
managesieve_sieve_capability = fileinto reject envelope 
encoded-character vacation subaddress comparator-i;ascii-numeric 
relational regex imap4flags copy include variables body enotify 
environment mailbox date index ihave duplicate spamtest spamtestplus
passdb {
   args = /usr/local/etc/dovecot/dovecot-people-ldap.conf.ext
   driver = ldap
}
plugin {
   last_login_dict = redis:host=127.0.0.1:port=6379
   mail_log_events = delete undelete expunge copy mailbox_delete 
mailbox_rename
   mail_log_fields = uid box msgid size
   quota = maildir:User quota
   quota_warning = storage=95%% quota-warning 95 %u
   quota_warning2 = storage=80%% quota-warning 80 %u
   sieve = file:~/sieve;active=~/.dovecot.sieve
   sieve_before = /usr/local/etc/dovecot/sieve/
   sieve_dir = ~/.sieve
   sieve_extensions = +spamtest +spamtestplus +relational 
+comparator-i;ascii-numeric
}
postmaster_address = postmaster at uniparthenope.it
protocols = imap pop3 sieve
service auth {
   unix_listener /var/spool/postfix/private/auth {
     group = postfix
     mode = 0666
     user = postfix
   }
}
service imap-login {
   inet_listener imap {
     port = 143
   }
   inet_listener imaps {
     port = 993
     ssl = yes
   }
   service_count = 0
   vsz_limit = 256 M
}
service managesieve-login {
   inet_listener sieve {
     port = 4190
   }
   service_count = 1
   vsz_limit = 64 M
}
service pop3-login {
   inet_listener pop3 {
     port = 110
   }
   inet_listener pop3s {
     port = 995
     ssl = yes
   }
   service_count = 0
   vsz_limit = 256 M
}
service quota-status {
   client_limit = 1
   executable = quota-status -p postfix
   inet_listener {
     port = 12340
   }
}
service quota-warning {
   executable = script /usr/local/bin/quota-warning.sh
   unix_listener quota-warning {
     user = vmail
   }
   user = vmail
}
ssl_ca = <file.pem
ssl_cert = <file.pem
ssl_key = <file.pem
userdb {
   args = /usr/local/etc/dovecot/dovecot-people-ldap.conf.ext
   driver = ldap
}
protocol lda {
   mail_plugins = " quota quota sieve"
}
protocol imap {
   imap_client_workarounds = delay-newmail tb-extra-mailbox-sep 
tb-lsub-flags
   mail_max_userip_connections = 100
   mail_plugins = " quota imap_quota last_login"
}
protocol pop3 {
   mail_max_userip_connections = 100
   mail_plugins = " quota last_login"
   pop3_logout_format = top=%t/%p, retr=%r/%b, del=%d/%m, size=%s, %u
   pop3_save_uidl = no
   pop3_uidl_format = %08Xu%08Xv
}

while in master.cf

dovecot    unix  -       n       n       -       -       pipe
   flags=DRhu user=vmail argv=/usr/local/libexec/dovecot/dovecot-lda -f 
${sender} -d ${recipient}

Is there someone who could help me?

Regards

-- 
Dott. Antonello Cioffi
Ufficio Servizi Informatici
Università degli Studi di Napoli Parthenope
Tel. 081/5475292 - Fax. 081/5475180



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