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Roberto Tagliaferri - Tosnet srl

2008-Aug-20 05:35 UTC

[Dovecot] Few problem with pop3

Hi, i've upgraded from 1.0.5 to 1.1.2 on 2 server and work fine for user 
that grab email on client, but some customer (that leave the email on 
server) have 2 problems.

Some client can't read new mail:
dovecot: Aug 19 11:00:46 Info: pop3-login: Login: user=<agenzia>, 
method=PLAIN, rip=xxx, lip=91.102.48.12
dovecot: Aug 19 11:00:46 Info: POP3(agenzia): Disconnected: Logged out 
top=0/0, retr=0/0, del=0/21, size=1200006
dovecot: Aug 19 11:01:22 Info: pop3-login: Login: user=<agenzia>, 
method=PLAIN, rip=xxx, lip=91.102.48.12
dovecot: Aug 19 11:01:23 Info: POP3(agenzia): Disconnected: Logged out 
top=0/0, retr=0/0, del=0/22, size=1219860
dovecot: Aug 19 11:04:21 Info: pop3-login: Login: user=<agenzia>, 
method=PLAIN, rip=xxx, lip=91.102.48.12
dovecot: Aug 19 11:04:22 Info: POP3(agenzia): Disconnected: Logged out 
top=0/0, retr=0/0, del=0/25, size=1277510

other client reread old email
dovecot: Aug 18 13:09:30 Info: POP3(soggiorno): Disconnected: Logged out 
top=0/0, retr=1/9885, del=0/28, size=270604
dovecot: Aug 18 13:21:15 Info: POP3(soggiorno): Disconnected: Logged out 
top=0/0, retr=1/9885, del=0/28, size=270604
dovecot: Aug 18 16:06:10 Info: POP3(soggiorno): Disconnected: Logged out 
top=0/0, retr=1/1218, del=0/28, size=270604
dovecot: Aug 18 16:09:08 Info: POP3(soggiorno): Disconnected: Logged out 
top=0/0, retr=1/1218, del=0/28, size=270604
dovecot: Aug 18 17:09:49 Info: POP3(soggiorno): Disconnected: Logged out 
top=0/0, retr=1/2479, del=0/29, size=298926
dovecot: Aug 18 17:12:18 Info: POP3(soggiorno): Disconnected: Logged out 
top=0/0, retr=2/2513, del=0/29, size=298926
dovecot: Aug 18 17:32:59 Info: POP3(soggiorno): Disconnected: Logged out 
top=0/0, retr=1/1321, del=0/29, size=298926
dovecot: Aug 18 17:58:46 Info: POP3(soggiorno): Disconnected: Logged out 
top=0/0, retr=1/1321, del=0/29, size=298926

Dovecot on linux, ext3 fs (the 2 server is similar, one with real users 
and one with virtual users on pgsql), only pop3 (with mbox file)


root at mx:~# dovecot -n
# 1.1.2: /usr/local/etc/dovecot.conf
base_dir: /var/run/dovecot/
log_path: /var/log/poplog
info_log_path: /var/log/poplog
protocols: pop3
ssl_disable: yes
disable_plaintext_auth: no
login_dir: /var/run/dovecot/login
login_executable: /usr/local/libexec/dovecot/pop3-login
login_processes_count: 4
verbose_proctitle: yes
mail_access_groups: mail
mail_location: mbox:/var/empty:INBOX=/var/spool/mail/%u:INDEX=MEMORY
mail_executable: /usr/local/libexec/dovecot/pop3
mail_plugin_dir: /usr/local/lib/dovecot/pop3
pop3_client_workarounds: oe-ns-eoh  outlook-no-nuls
auth default:
  mechanisms: plain login
  verbose: yes
  passdb:
    driver: sql
    args: /usr/local/etc/dovecot-sql.conf
  userdb:
    driver: sql
    args: /usr/local/etc/dovecot-sql.conf
  socket:
    type: listen
    client:
      path: /var/spool/postfix/private/auth
      mode: 432
      user: postfix
      group: postdrop

root at smtp:~# dovecot -n
# 1.1.2: /usr/local/etc/dovecot.conf
base_dir: /var/run/dovecot/
log_path: /var/log/poplog
info_log_path: /var/log/poplog
protocols: pop3
ssl_disable: yes
disable_plaintext_auth: no
login_dir: /var/run/dovecot/login
login_executable: /usr/local/libexec/dovecot/pop3-login
login_processes_count: 4
verbose_proctitle: yes
mail_access_groups: mail
mail_location: mbox:/var/empty:INBOX=/var/spool/mail/%u:INDEX=MEMORY
mail_executable: /usr/local/libexec/dovecot/pop3
mail_plugin_dir: /usr/local/lib/dovecot/pop3
pop3_client_workarounds: oe-ns-eoh  outlook-no-nuls
auth default:
  mechanisms: plain login
  verbose: yes
  passdb:
    driver: shadow
  userdb:
    driver: passwd
  socket:
    type: listen
    client:
      path: /var/spool/postfix/private/auth
      mode: 432
      user: postfix
      group: postdrop



-- 
Roberto Tagliaferri
Responsabile Progettazione & Produzione
TosNet s.r.l. - Internet Service Provider
r.tagliaferri at tosnet.it
www.tosnet.it

Roberto Tagliaferri - Tosnet srl

2008-Aug-20 07:18 UTC

head link

[Dovecot] Few problem with pop3

Roberto Tagliaferri - Tosnet srl ha scritto:> Hi, i've upgraded from 1.0.5 to 1.1.2 on 2 server and work fine for 
> user that grab email on client, but some customer (that leave the 
> email on server) have 2 problems.[...]
Update: i've downgraded to 1.0.9 and work fine (1.0.15 has the same 
problem of 1.1.2)



-- 
Roberto Tagliaferri
Responsabile Progettazione & Produzione
TosNet s.r.l. - Internet Service Provider
r.tagliaferri at tosnet.it
www.tosnet.it

Timo Sirainen

2008-Aug-21 05:09 UTC

head link

[Dovecot] Few problem with pop3

On Wed, 2008-08-20 at 07:35 +0200, Roberto Tagliaferri - Tosnet srl
wrote:> Hi, i've upgraded from 1.0.5 to 1.1.2 on 2 server and work fine for
user
> that grab email on client, but some customer (that leave the email on 
> server) have 2 problems.
> 
> Some client can't read new mail:
> dovecot: Aug 19 11:00:46 Info: pop3-login: Login: user=<agenzia>, 
> method=PLAIN, rip=xxx, lip=91.102.48.12
> dovecot: Aug 19 11:00:46 Info: POP3(agenzia): Disconnected: Logged out 
> top=0/0, retr=0/0, del=0/21, size=1200006
All of these look like normal client QUITs, so I've no idea why the
client wouldn't see the new mails. If there's nothing in error logs
either (may be different from where the above messages are logged,
http://wiki.dovecot.org/Logging), the only possibility to debug this is
to look at what the client and Dovecot actually talk to each others and
how it differs from v1.0. Rawlog for example could be used for that:
http://wiki.dovecot.org/Debugging/Rawlog
?> Update: i've downgraded to 1.0.9 and work fine (1.0.15 has the same 
> problem of 1.1.2)
There shouldn't be much of a difference between 1.0.9 and 1.0.15..

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Roberto Tagliaferri - Tosnet srl

2008-Aug-21 07:14 UTC

head link

[Dovecot] Few problem with pop3

Timo Sirainen ha scritto:> On Wed, 2008-08-20 at 07:35 +0200, Roberto Tagliaferri - Tosnet srl
> wrote:
>   
>> Hi, i've upgraded from 1.0.5 to 1.1.2 on 2 server and work fine for
user
>> that grab email on client, but some customer (that leave the email on 
>> server) have 2 problems.
>>
>> Some client can't read new mail:
>> dovecot: Aug 19 11:00:46 Info: pop3-login: Login: user=<agenzia>,
>> method=PLAIN, rip=xxx, lip=91.102.48.12
>> dovecot: Aug 19 11:00:46 Info: POP3(agenzia): Disconnected: Logged out 
>> top=0/0, retr=0/0, del=0/21, size=1200006
>>     
>
> All of these look like normal client QUITs, so I've no idea why the
> client wouldn't see the new mails. If there's nothing in error logs
> either (may be different from where the above messages are logged,
> http://wiki.dovecot.org/Logging), the only possibility to debug this is
> to look at what the client and Dovecot actually talk to each others and
> how it differs from v1.0. Rawlog for example could be used for that:
> http://wiki.dovecot.org/Debugging/Rawlog
> ?
>   Ok.. i've tested only one account because this server is a production 
server..
I've recreated this:
dovecot: Aug 21 08:38:54 Info: pop3-login: Login: user=<agenzia>, 
method=PLAIN, rip=213.203.182.90, lip=91.102.48.12
dovecot: Aug 21 08:38:54 Info: POP3(agenzia): Disconnected: Logged out 
top=0/0, retr=0/0, del=0/21, size=217625
in this check  the client have not download the message

dovecot: Aug 21 08:40:20 Info: pop3-login: Login: user=<agenzia>, 
method=PLAIN, rip=213.203.182.90, lip=91.102.48.12
dovecot: Aug 21 08:40:20 Info: POP3(agenzia): Disconnected: Logged out 
top=0/0, retr=1/2962, del=0/21, size=217625
In this check yes... (thunderbird 2.0.16)

For first check, in log:
STAT
LIST
UIDL
QUIT

Out log:
+OK 21 217625
+OK 21 messages:
1 3849
2 3845
3 4872
4 106997
5 11948
6 3624
7 29799
8 4868
9 4845
10 2525
11 3278
12 3103
13 4671
14 2487
15 2671
16 2694
17 3072
18 5224
19 8862
20 1447
21 2944
.
+OK
1 0000e103435e253a
2 0000e104435e253a
3 0000e11d435e253a
4 0000e12b435e253a
5 0000e13e435e253a
6 0000e13f435e253a
7 0000e186435e253a
8 0000e187435e253a
9 0000e188435e253a
10 0000e189435e253a
11 0000e18a435e253a
12 0000e18b435e253a
13 0000e18c435e253a
14 0000e18d435e253a
15 0000e18e435e253a
16 0000e18f435e253a
17 0000e190435e253a
18 0000e191435e253a
19 0000e192435e253a
20 0000e193435e253a
21 0000e194435e253a
.
+OK Logging out.



For second check, in log:

STAT
LIST
UIDL
RETR 21
QUIT


out log:

+OK 21 217625
+OK 21 messages:
1 3849
2 3845
3 4872
4 106997
5 11948
6 3624
7 29799
8 4868
9 4845
10 2525
11 3278
12 3103
13 4671
14 2487
15 2671
16 2694
17 3072
18 5224
19 8862
20 1447
21 2944
.
+OK
1 0000e103435e253a
2 0000e104435e253a
3 0000e11d435e253a
4 0000e12b435e253a
5 0000e13e435e253a
6 0000e13f435e253a
7 0000e186435e253a
8 0000e187435e253a
9 0000e188435e253a
10 0000e189435e253a
11 0000e18a435e253a
12 0000e18b435e253a
13 0000e18c435e253a
14 0000e18d435e253a
15 0000e18e435e253a
16 0000e18f435e253a
17 0000e190435e253a
18 0000e191435e253a
19 0000e192435e253a
20 0000e193435e253a
21 0000e194435e253a
.
+OK 2944 octets

(cut body of message)
+OK Logging out.



>> Update: i've downgraded to 1.0.9 and work fine (1.0.15 has the same
>> problem of 1.1.2)
>>     
>
> There shouldn't be much of a difference between 1.0.9 and 1.0.15..
>
>   But when i've reinstalled 1.0.9 dovecot work fine :(


-- 
Roberto Tagliaferri
Responsabile Progettazione & Produzione
TosNet s.r.l. - Internet Service Provider
r.tagliaferri at tosnet.it
www.tosnet.it

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