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Frank Ebert

2018-May-01 08:12 UTC

2.3.1 with quota and lmtp; message may be sent more than once

Hi,

I have another problem with dovecot 2.3.1 on FreeBSD (smtpd is postfix
3.3.0). When one mail is sent with different recipients and the quota
limit of one user is exceeded, the message will be delivered repeatedly
to all users. The queue from postfix says:

(lost connection with mailserver.foo.bar[private/lmtp-dovecot] while
sending end of data -- message may be sent more than once)

The problem started with dovecot 2.3.1. With 2.2.3x everything was fine.

Any ideas?

Thanx
Frank

doveconf -n:

auth_mechanisms = plain login
auth_use_winbind = yes
auth_winbind_helper_path = /usr/local/bin/ntlm_auth
disable_plaintext_auth = no
info_log_path = /var/log/dovecot
listen = *
mail_location = mdbox:~/mdbox
mail_plugins = zlib quota acl mail_log notify
managesieve_notify_capability = mailto
managesieve_sieve_capability = fileinto reject envelope
encoded-character vacati on subaddress comparator-i;ascii-numeric
relational regex imap4flags copy includ e variables body enotify
environment mailbox date index ihave duplicate mime for everypart
extracttext
namespace {
 location = mdbox:/home/vmail/foo.domain/foo/mdbox
 prefix = Foo/
 separator = /
 subscriptions = yes
 type = public
}
namespace {
 location = mdbox:/home/vmail/bar.domain/bar/mdbox
 prefix = Bar/
 separator = /
 subscriptions = yes
 type = public
}
namespace {
 location = mdbox:/home/vmail/foobar.domain/foobar/mdbox
 prefix = Foobar/
 separator = /
 subscriptions = yes
 type = public
}
namespace inbox {
 inbox = yes
 location  mailbox Drafts {
   auto = subscribe
   special_use = \Drafts
 }
 mailbox Junk {
   special_use = \Junk
 }
 mailbox Sent {
   auto = subscribe
   special_use = \Sent
 }
 mailbox "Sent Messages" {
   special_use = \Sent
 }
 mailbox Trash {
   auto = subscribe
   special_use = \Trash
 }
 prefix = INBOX/
 separator = /
}
passdb {
 args = /usr/local/etc/dovecot/dovecot-ldap.conf.ext
 driver = ldap
}
plugin {
 acl = vfile:/usr/local/etc/dovecot/global-acls
 acl_shared_dict = file:/var/lib/dovecot/shared-mailboxes
 mail_log_events = flag_change delete undelete expunge copy
 mailbox_delete mail box_rename
 mail_log_fields = uid box msgid size flags
 quota = dict:User quota::file:%h/dovecot-quota
 quota_warning = storage=95%% quota-warning 95 %u
 quota_warning2 = storage=80%% quota-warning 80 %u
 sieve = ~/.dovecot.sieve
 sieve_dir = ~/sieve
 stats_command_min_time = 1 mins
 stats_domain_min_time = 12 hours
 stats_ip_min_time = 12 hours
 stats_memory_limit = 16 M
 stats_refresh = 30
 stats_session_min_time = 15 mins
 stats_track_cmds = yes
 stats_user_min_time = 1 hours
 zlib_save = gz
 zlib_save_level = 6
}
postmaster_address = postmaster at foo.bar
protocols = imap lmtp sieve
service auth {
 unix_listener /var/spool/postfix/private/auth {
   mode = 0666
 }
 unix_listener auth-userdb {
   group = vmail
   user = vmail
 }
}
service lmtp {
 unix_listener /var/spool/postfix/private/lmtp-dovecot {
   group = postfix
   user = postfix
 }
}
service managesieve-login {
 inet_listener sieve {
   port = 4190
 }
 process_min_avail = 0
 service_count = 0
}
service managesieve {
 process_limit = 1024
}
service quota-warning {
 executable = script /usr/local/bin/quota-warning.sh
 unix_listener quota-warning {
   user = vmail
 }
 user = vmail
}
service stats {
 fifo_listener stats-mail {
   mode = 0600
   user = vmail
 }
}
ssl_cert = </etc/ssl/certs/dovecot.pem
ssl_dh =  # hidden, use -P to show it
ssl_key =  # hidden, use -P to show it
userdb {
 driver = prefetch
}
userdb {
 args = /usr/local/etc/dovecot/dovecot-ldap-userdb.conf.ext
 driver = ldap
}
protocol lmtp {
 mail_plugins = zlib quota acl mail_log notify sieve
}
protocol lda {
 mail_plugins = zlib quota acl mail_log notify sieve
}
protocol imap {
 mail_plugins = zlib quota acl mail_log notify imap_zlib imap_quota
imap_acl }  
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Christos Chatzaras

2018-May-01 20:43 UTC

head link

2.3.1 with quota and lmtp; message may be sent more than once

I had the same problem and the only workaround I found was to change this to
postfix main.cf :

default_destination_recipient_limit = 1


> On 1 May 2018, at 11:12, Frank Ebert <frank.ebert at freenet.de>
wrote:
> 
> Hi,
> 
> I have another problem with dovecot 2.3.1 on FreeBSD (smtpd is postfix
> 3.3.0). When one mail is sent with different recipients and the quota
> limit of one user is exceeded, the message will be delivered repeatedly
> to all users. The queue from postfix says:
> 
> (lost connection with mailserver.foo.bar[private/lmtp-dovecot] while
> sending end of data -- message may be sent more than once)
> 
> The problem started with dovecot 2.3.1. With 2.2.3x everything was fine.
> 
> Any ideas?
> 
> Thanx
> Frank
> 
> doveconf -n:
> 
> auth_mechanisms = plain login
> auth_use_winbind = yes
> auth_winbind_helper_path = /usr/local/bin/ntlm_auth
> disable_plaintext_auth = no
> info_log_path = /var/log/dovecot
> listen = *
> mail_location = mdbox:~/mdbox
> mail_plugins = zlib quota acl mail_log notify
> managesieve_notify_capability = mailto
> managesieve_sieve_capability = fileinto reject envelope
> encoded-character vacati on subaddress comparator-i;ascii-numeric
> relational regex imap4flags copy includ e variables body enotify
> environment mailbox date index ihave duplicate mime for everypart
> extracttext
> namespace {
> location = mdbox:/home/vmail/foo.domain/foo/mdbox
> prefix = Foo/
> separator = /
> subscriptions = yes
> type = public
> }
> namespace {
> location = mdbox:/home/vmail/bar.domain/bar/mdbox
> prefix = Bar/
> separator = /
> subscriptions = yes
> type = public
> }
> namespace {
> location = mdbox:/home/vmail/foobar.domain/foobar/mdbox
> prefix = Foobar/
> separator = /
> subscriptions = yes
> type = public
> }
> namespace inbox {
> inbox = yes
> location > mailbox Drafts {
>   auto = subscribe
>   special_use = \Drafts
> }
> mailbox Junk {
>   special_use = \Junk
> }
> mailbox Sent {
>   auto = subscribe
>   special_use = \Sent
> }
> mailbox "Sent Messages" {
>   special_use = \Sent
> }
> mailbox Trash {
>   auto = subscribe
>   special_use = \Trash
> }
> prefix = INBOX/
> separator = /
> }
> passdb {
> args = /usr/local/etc/dovecot/dovecot-ldap.conf.ext
> driver = ldap
> }
> plugin {
> acl = vfile:/usr/local/etc/dovecot/global-acls
> acl_shared_dict = file:/var/lib/dovecot/shared-mailboxes
> mail_log_events = flag_change delete undelete expunge copy
> mailbox_delete mail box_rename
> mail_log_fields = uid box msgid size flags
> quota = dict:User quota::file:%h/dovecot-quota
> quota_warning = storage=95%% quota-warning 95 %u
> quota_warning2 = storage=80%% quota-warning 80 %u
> sieve = ~/.dovecot.sieve
> sieve_dir = ~/sieve
> stats_command_min_time = 1 mins
> stats_domain_min_time = 12 hours
> stats_ip_min_time = 12 hours
> stats_memory_limit = 16 M
> stats_refresh = 30
> stats_session_min_time = 15 mins
> stats_track_cmds = yes
> stats_user_min_time = 1 hours
> zlib_save = gz
> zlib_save_level = 6
> }
> postmaster_address = postmaster at foo.bar
> protocols = imap lmtp sieve
> service auth {
> unix_listener /var/spool/postfix/private/auth {
>   mode = 0666
> }
> unix_listener auth-userdb {
>   group = vmail
>   user = vmail
> }
> }
> service lmtp {
> unix_listener /var/spool/postfix/private/lmtp-dovecot {
>   group = postfix
>   user = postfix
> }
> }
> service managesieve-login {
> inet_listener sieve {
>   port = 4190
> }
> process_min_avail = 0
> service_count = 0
> }
> service managesieve {
> process_limit = 1024
> }
> service quota-warning {
> executable = script /usr/local/bin/quota-warning.sh
> unix_listener quota-warning {
>   user = vmail
> }
> user = vmail
> }
> service stats {
> fifo_listener stats-mail {
>   mode = 0600
>   user = vmail
> }
> }
> ssl_cert = </etc/ssl/certs/dovecot.pem
> ssl_dh =  # hidden, use -P to show it
> ssl_key =  # hidden, use -P to show it
> userdb {
> driver = prefetch
> }
> userdb {
> args = /usr/local/etc/dovecot/dovecot-ldap-userdb.conf.ext
> driver = ldap
> }
> protocol lmtp {
> mail_plugins = zlib quota acl mail_log notify sieve
> }
> protocol lda {
> mail_plugins = zlib quota acl mail_log notify sieve
> }
> protocol imap {
> mail_plugins = zlib quota acl mail_log notify imap_zlib imap_quota
> imap_acl }

Stephan Bosch

2018-May-14 21:17 UTC

head link

2.3.1 with quota and lmtp; message may be sent more than once

Op 01/05/2018 om 10:12 schreef Frank Ebert:> Hi,
>
> I have another problem with dovecot 2.3.1 on FreeBSD (smtpd is postfix
> 3.3.0). When one mail is sent with different recipients and the quota
> limit of one user is exceeded, the message will be delivered repeatedly
> to all users. The queue from postfix says:
>
> (lost connection with mailserver.foo.bar[private/lmtp-dovecot] while
> sending end of data -- message may be sent more than once)
>
> The problem started with dovecot 2.3.1. With 2.2.3x everything was fine.
>
> Any ideas?
Hmm, I am wondering whether we already fixed this one implicitly. I 
think we addressed some quota-related problems. Do you have the 
opportunity to test this with git master(-2.3) ?

Regards,

Stephan.

> Thanx
> Frank
>
> doveconf -n:
>
> auth_mechanisms = plain login
> auth_use_winbind = yes
> auth_winbind_helper_path = /usr/local/bin/ntlm_auth
> disable_plaintext_auth = no
> info_log_path = /var/log/dovecot
> listen = *
> mail_location = mdbox:~/mdbox
> mail_plugins = zlib quota acl mail_log notify
> managesieve_notify_capability = mailto
> managesieve_sieve_capability = fileinto reject envelope
> encoded-character vacati on subaddress comparator-i;ascii-numeric
> relational regex imap4flags copy includ e variables body enotify
> environment mailbox date index ihave duplicate mime for everypart
> extracttext
> namespace {
>   location = mdbox:/home/vmail/foo.domain/foo/mdbox
>   prefix = Foo/
>   separator = /
>   subscriptions = yes
>   type = public
> }
> namespace {
>   location = mdbox:/home/vmail/bar.domain/bar/mdbox
>   prefix = Bar/
>   separator = /
>   subscriptions = yes
>   type = public
> }
> namespace {
>   location = mdbox:/home/vmail/foobar.domain/foobar/mdbox
>   prefix = Foobar/
>   separator = /
>   subscriptions = yes
>   type = public
> }
> namespace inbox {
>   inbox = yes
>   location >   mailbox Drafts {
>     auto = subscribe
>     special_use = \Drafts
>   }
>   mailbox Junk {
>     special_use = \Junk
>   }
>   mailbox Sent {
>     auto = subscribe
>     special_use = \Sent
>   }
>   mailbox "Sent Messages" {
>     special_use = \Sent
>   }
>   mailbox Trash {
>     auto = subscribe
>     special_use = \Trash
>   }
>   prefix = INBOX/
>   separator = /
> }
> passdb {
>   args = /usr/local/etc/dovecot/dovecot-ldap.conf.ext
>   driver = ldap
> }
> plugin {
>   acl = vfile:/usr/local/etc/dovecot/global-acls
>   acl_shared_dict = file:/var/lib/dovecot/shared-mailboxes
>   mail_log_events = flag_change delete undelete expunge copy
>   mailbox_delete mail box_rename
>   mail_log_fields = uid box msgid size flags
>   quota = dict:User quota::file:%h/dovecot-quota
>   quota_warning = storage=95%% quota-warning 95 %u
>   quota_warning2 = storage=80%% quota-warning 80 %u
>   sieve = ~/.dovecot.sieve
>   sieve_dir = ~/sieve
>   stats_command_min_time = 1 mins
>   stats_domain_min_time = 12 hours
>   stats_ip_min_time = 12 hours
>   stats_memory_limit = 16 M
>   stats_refresh = 30
>   stats_session_min_time = 15 mins
>   stats_track_cmds = yes
>   stats_user_min_time = 1 hours
>   zlib_save = gz
>   zlib_save_level = 6
> }
> postmaster_address = postmaster at foo.bar
> protocols = imap lmtp sieve
> service auth {
>   unix_listener /var/spool/postfix/private/auth {
>     mode = 0666
>   }
>   unix_listener auth-userdb {
>     group = vmail
>     user = vmail
>   }
> }
> service lmtp {
>   unix_listener /var/spool/postfix/private/lmtp-dovecot {
>     group = postfix
>     user = postfix
>   }
> }
> service managesieve-login {
>   inet_listener sieve {
>     port = 4190
>   }
>   process_min_avail = 0
>   service_count = 0
> }
> service managesieve {
>   process_limit = 1024
> }
> service quota-warning {
>   executable = script /usr/local/bin/quota-warning.sh
>   unix_listener quota-warning {
>     user = vmail
>   }
>   user = vmail
> }
> service stats {
>   fifo_listener stats-mail {
>     mode = 0600
>     user = vmail
>   }
> }
> ssl_cert = </etc/ssl/certs/dovecot.pem
> ssl_dh =  # hidden, use -P to show it
> ssl_key =  # hidden, use -P to show it
> userdb {
>   driver = prefetch
> }
> userdb {
>   args = /usr/local/etc/dovecot/dovecot-ldap-userdb.conf.ext
>   driver = ldap
> }
> protocol lmtp {
>   mail_plugins = zlib quota acl mail_log notify sieve
> }
> protocol lda {
>   mail_plugins = zlib quota acl mail_log notify sieve
> }
> protocol imap {
>   mail_plugins = zlib quota acl mail_log notify imap_zlib imap_quota
> imap_acl }

Stephan Bosch

2018-May-14 21:43 UTC

head link

2.3.1 with quota and lmtp; message may be sent more than once

Op 14/05/2018 om 23:17 schreef Stephan Bosch:>
>
> Op 01/05/2018 om 10:12 schreef Frank Ebert:
>> Hi,
>>
>> I have another problem with dovecot 2.3.1 on FreeBSD (smtpd is postfix
>> 3.3.0). When one mail is sent with different recipients and the quota
>> limit of one user is exceeded, the message will be delivered repeatedly
>> to all users. The queue from postfix says:
>>
>> (lost connection with mailserver.foo.bar[private/lmtp-dovecot] while
>> sending end of data -- message may be sent more than once)
>>
>> The problem started with dovecot 2.3.1. With 2.2.3x everything was
fine.
>>
>> Any ideas?
>
> Hmm, I am wondering whether we already fixed this one implicitly. I 
> think we addressed some quota-related problems. Do you have the 
> opportunity to test this with git master(-2.3) ?
Never mind, I can reproduce something here:

lmtp(hugo)<953><uM/SHXIC+lq5AwAAmoV78g:2>: Fatal: master:
service(lmtp):
child 953 killed with signal 11 (core dumps disabled - 
https://dovecot.org/bugreport.html#coredumps)

Working on it..

Regards,

Stephan.

Frank Ebert

2018-May-16 15:20 UTC

head link

2.3.1 with quota and lmtp; message may be sent more than once

Hi,

thank you very much for your reply. Your solution seems to be a good
workaround, until the patch from Stephan is available. Since I
activated this setting in postfix, the problem doesn't appear any more.

Frank


Am Tue, 1 May 2018 23:43:13 +0300
schrieb Christos Chatzaras <chris at cretaforce.gr>:
> I had the same problem and the only workaround I found was to change
> this to postfix main.cf :
> 
> default_destination_recipient_limit = 1
> 
> 
> 
> > On 1 May 2018, at 11:12, Frank Ebert <frank.ebert at freenet.de>
wrote:
> > 
> > Hi,
> > 
> > I have another problem with dovecot 2.3.1 on FreeBSD (smtpd is
> > postfix 3.3.0). When one mail is sent with different recipients and
> > the quota limit of one user is exceeded, the message will be
> > delivered repeatedly to all users. The queue from postfix says:
> > 
> > (lost connection with mailserver.foo.bar[private/lmtp-dovecot] while
> > sending end of data -- message may be sent more than once)
> > 
> > The problem started with dovecot 2.3.1. With 2.2.3x everything was
> > fine.
> > 
> > Any ideas?
> > 
> > Thanx
> > Frank-------------- next part --------------
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