Dovecot lmtp doesn't log

[Stephan Bosch]

Op 1-12-2017 om 15:30 schreef Tomislav Perisic:
> Hi,
>
> Thanks for replying.
>
> initially logging was done via syslog, and the custom log file for 
> mail.* facility was /var/log/maillog. Everything was logged normally 
> (dovecot login logouts, sieve scripts, extra debugging lines) but 
> nothing regarding LMTP. I would receive the email in my inbox but I 
> wouldnt be able to see anything in the logs regarding this. After that 
> i turned off syslog and used the direct dovecot logging to a separate 
> file. Again, it was logging everything except of LMTP (mail debug is 
> turned on).
>
> Does anyone have a working configuration regarding this that they 
> don't have a problem with LMTP logging? If yes could you please send 
> me your config and dovecot version to compare.
>
> Or if anyone has any other ideas.
>

Are you sure Dovecot LMTP  is even being used? Your MTA may be 
delivering messages directly, without involving Dovecot. Check the MTA logs.

Regards,

Stephan.

> Thank you.
>
>
> On Thu, Nov 30, 2017 at 2:34 PM, Stephan Bosch <s.bosch at ox.io 
> <mailto:s.bosch at ox.io>> wrote:
>
>
>
>     Op 25-11-2017 om 13:00 schreef Tomislav Perisic:
>
>         Does anyone have any idea regarding this?
>
>         On 17 Nov 2017 11:36, "Tomislav Perisic"
>         <tomiperisic at gmail.com <mailto:tomiperisic at gmail.com>> wrote:
>
>         Hi,
>
>         We have 2 servers, server A and server B.
>
>         Server A has:
>
>         Postfix
>         dovecot-2.2.33.2-1.el6.x86_64
>
>         Server B has:
>
>         dovecot-2.2.33.2-1.el6.x86_64
>         dovecot-pigeonhole-2.2.33.2-1.el6.x86_64
>
>         Server A receives email on postfix, dovecot then takes that
>         email from
>         postfix and proxies it to Server B Dovecot. Dovecot on Server
>         B takes the
>         proxied email and delivers it with lmtp to the user inboxes.
>
>         The problem is that the dovecot on server B Doesn't log
>         anything regarding
>         the emails that are being delivered to the mailbox via lmtp.
>
>         Dovecot on server A logs everything perfectly regarding the
>         proxy, so my
>         assumption is that there is an issue with Dovecot lmtp
>         logging. We changed
>         the logging from syslog directly to a file and we noticed the
>         same problem,
>         missing log entries.
>
>         We also tried turning on verbose logging and it didn't help.
>
>
>     Are you sure you're looking in the right place?
>
>     You can find out where logs are written using `doveadm log find`.
>
>     Especially with mail_debug enabled, you should see a lot of log
>     messages for an LMTP delivery.
>
>     Regards,
>
>     Stephan.
>
>
>
>         Server B:
>
>         Red Hat  6.7 x86_64
>
>         rpm -qa | grep dove
>         dovecot-2.2.33.2-1.el6.x86_64
>         dovecot-pigeonhole-2.2.33.2-1.el6.x86_64
>
>         doveconf -n
>
>         # 2.2.33.2 <http://2.2.33.2>: /etc/dovecot/dovecot.conf
>         # Pigeonhole version 0.4.21
>         auth_cache_negative_ttl = 0
>         auth_debug = yes
>         auth_debug_passwords = yes
>         auth_verbose = yes
>         listen = *
>         mail_debug = yes
>         mail_gid = mail
>         mail_location = maildir:~/Maildir
>         mail_plugins = " quota zlib"
>         mail_uid = vmail
>         managesieve_notify_capability = mailto
>
>         namespace inbox {
>            inbox = yes
>            location =
>            mailbox Drafts {
>              auto = subscribe
>              special_use = \Drafts
>            }
>            mailbox Sent {
>              auto = subscribe
>              special_use = \Sent
>            }
>            mailbox Spam {
>              auto = subscribe
>              special_use = \Junk
>            }
>            mailbox Trash {
>              auto = subscribe
>              special_use = \Trash
>            }
>            mailbox Virus {
>              auto = subscribe
>            }
>
>         plugin {
>            quota = maildir:User quota
>            sieve_extensions = +editheader
>            sieve_max_actions = 32
>            sieve_max_redirects = 4
>            sieve_max_script_size = 1M
>            sieve_quota_max_scripts = 0
>            sieve_trace_debug = yes
>            sieve_trace_level = matching
>            sieve_vacation_dont_check_recipient = yes
>            sieve_vacation_send_from_recipient = yes
>            sieve_vacation_use_original_recipient = yes
>            zlib_save = gz
>            zlib_save_level = 6
>         }
>         protocols = imap pop3 lmtp sieve
>         service auth {
>            unix_listener auth-userdb {
>              group = mail
>              mode = 0666
>              user = vmail
>            }
>         }
>         service lmtp {
>            inet_listener lmtp {
>              port = xx
>            }
>         }
>         service managesieve-login {
>            inet_listener sieve {
>              port = xx
>            }
>            service_count = 1
>         }
>
>         protocol lmtp {
>            mail_plugins = " quota zlib sieve mail_log notify"
>         }
>         protocol imap {
>            mail_plugins = " quota zlib imap_quota imap_zlib"
>         }
>         protocol sieve {
>            managesieve_implementation_string = dovecot
>            managesieve_logout_format = bytes ( in=%i : out=%o )
>            managesieve_max_line_length = 65536
>            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 ihave
>         }
>
>
>