Le 16/01/2026 `a 21:56, John Fawcett via dovecot a ecrit :
Maybe this should be
protocol lmtp {
auth_username_format = %{user | lower}
}
Great, thank you very much! Authentication seems to be working
fine now.
Things are progressing well... but... I still have one problem:
there is no delivery.
Which direction should I look?
postqueue -p
-Queue ID- --Size-- ----Arrival Time---- -Sender/Recipient-------
7496C880028 7846 Mon Jan 19 08:48:06 [1]bob7@my_domain.org
(lost connection with pc-serveur.my_domain.org[private/dovecot-lmtp] while
sending end of data -- message may be sent more than once)
[2]alice7@my_domain.org
1F8D38800E7 7846 Mon Jan 19 08:21:42 [3]bob7@my_domain.org
(lost connection with pc-serveur.my_domain.org[private/dovecot-lmtp] while
sending end of data -- message may be sent more than once)
[4]alice7@my_domain.org
-- 15 Kbytes in 2 Requests.
Postfix logs:
2026-01-19T08:48:06.446455+01:00 pc-serveur postfix/smtpd[2476]: connect
from linux7.my_domain.org[192.168.100.17]
2026-01-19T08:48:06.477701+01:00 pc-serveur postfix/smtpd[2476]:
7496C880028: client=linux7.my_domain.org[192.168.100.17],
sasl_method=PLAIN, [5]sasl_username=bob7@my_domain.org
2026-01-19T08:48:06.482176+01:00 pc-serveur postfix/cleanup[2480]:
7496C880028:
message-id=[6]<89c5190c-0cf6-4d9d-86d9-bd92070cfa87@my_domain.org>
2026-01-19T08:48:06.483278+01:00 pc-serveur postfix/qmgr[1721]:
7496C880028: from=[7]<bob7@my_domain.org>, size=7846, nrcpt=1 (queue
active)
2026-01-19T08:48:06.510492+01:00 pc-serveur postfix/lmtp[2481]:
7496C880028: to=[8]<alice7@my_domain.org>,
relay=pc-serveur.my_domain.org[private/dovecot-lmtp], delay=0.04,
delays=0.02/0.01/0.01/0, dsn=4.4.2, status=deferred (lost connection with
pc-serveur.my_domain.org[private/dovecot-lmtp] while sending end of data
-- message may be sent more than once)
2026-01-19T08:48:11.487184+01:00 pc-serveur postfix/smtpd[2476]:
disconnect from linux7.my_domain.org[192.168.100.17] ehlo=1 auth=1 mail=1
rcpt=1 data=1 quit=1 commands=6
Dovecot logs:
Jan 19 08:48:06 auth: Debug: conn unix:auth (pid=2476,uid=122) [3]: Server
accepted connection (fd=22)
Jan 19 08:48:06 auth: Debug: conn unix:auth (pid=2476,uid=122) [3]: auth
client connected (pid=0)
Jan 19 08:48:06 auth: Debug: conn unix:auth (pid=2476,uid=122) [3]: client
in: AUTH 1 PLAIN service=smtp nologin lip=192.168.100.1
rip=192.168.100.17
resp=AGJvYjdAdHAtcmVzZWF1eC5lbnN0Yi5vcmcAYm9iN3NlY3JldA== (previous base64
data may contain sensitive data)
Jan 19 08:48:06 auth([9]bob7@my_domain.org,192.168.100.17,sasl:plain):
Debug: passwd-file: Performing passdb lookup
Jan 19 08:48:06 auth([10]bob7@my_domain.org,192.168.100.17,sasl:plain):
Debug: passwd-file: lookup: [11]user=bob7@my_domain.org
file=/etc/dovecot/passwd
Jan 19 08:48:06 auth([12]bob7@my_domain.org,192.168.100.17,sasl:plain):
Debug: passwd-file: Finished passdb lookup
Jan 19 08:48:06 auth([13]bob7@my_domain.org,192.168.100.17,sasl:plain):
Debug: Auth request finished
Jan 19 08:48:06 auth: Debug: conn unix:auth (pid=2476,uid=122) [3]: client
passdb out: OK 1 [14]user=bob7@my_domain.org
Jan 19 08:48:06 lmtp(2482): Info: Connect from local
Jan 19 08:48:06 auth: Debug: conn unix:/run/dovecot/auth-userdb
(pid=2482,uid=118): Server accepted connection (fd=24)
Jan 19 08:48:06 auth: Debug: master in: USER 1
[15]alice7@my_domain.org protocol=lmtp
Jan 19 08:48:06 auth([16]alice7@my_domain.org): Debug: passwd-file:
Performing userdb lookup
Jan 19 08:48:06 auth([17]alice7@my_domain.org): Debug: passwd-file:
lookup: [18]user=alice7@my_domain.org file=/etc/dovecot/passwd
Jan 19 08:48:06 auth([19]alice7@my_domain.org): Debug: passwd-file:
Finished userdb lookup
Jan 19 08:48:06 auth: Debug: userdb out: USER 1
[20]alice7@my_domain.org uid=2222 gid=2222
[21]home=/var/spool/vmail/alice7@my_domain.org
Jan 19 08:48:06 auth: Debug: conn unix:/run/dovecot/auth-userdb
(pid=2482,uid=118): auth-master client: Disconnected: Connection closed
(fd=24) (created 2 msecs ago, handshake 2 msecs ago)
Jan 19 08:49:51 auth: Debug: conn unix:auth (pid=2476,uid=122) [3]:
Disconnected: Connection closed (fd=22)
Many thanks !
Regards,
Christophe
References
Visible links
1. mailto:bob7@my_domain.org
2. mailto:alice7@my_domain.org
3. mailto:bob7@my_domain.org
4. mailto:alice7@my_domain.org
5. mailto:sasl_username=bob7@my_domain.org
6. mailto:89c5190c-0cf6-4d9d-86d9-bd92070cfa87@my_domain.org
7. mailto:bob7@my_domain.org
8. mailto:alice7@my_domain.org
9.
file:///tmp/tmpew0z9oja/mailto:bob7@my_domain.org,192.168.100.17,sasl:plain
10.
file:///tmp/tmpew0z9oja/mailto:bob7@my_domain.org,192.168.100.17,sasl:plain
11. mailto:user=bob7@my_domain.org
12.
file:///tmp/tmpew0z9oja/mailto:bob7@my_domain.org,192.168.100.17,sasl:plain
13.
file:///tmp/tmpew0z9oja/mailto:bob7@my_domain.org,192.168.100.17,sasl:plain
14. mailto:user=bob7@my_domain.org
15. mailto:alice7@my_domain.org
16. mailto:alice7@my_domain.org
17. mailto:alice7@my_domain.org
18. mailto:user=alice7@my_domain.org
19. mailto:alice7@my_domain.org
20. mailto:alice7@my_domain.org
21. mailto:home=/var/spool/vmail/alice7@my_domain.org
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