Any reason why the imap-listener port is set to 0 and not 143 or
commented out?
Have you checked if dovecot is listening on 143?
On 21/01/2025 17:50, Marco Fioretti via dovecot wrote:
Greetings,
I was just tasked with rebuilding from scratch the mail server of an NGO,
on a brand new Ubuntu 24.04 LTS VPS.
I have copied the whole dovecot configuration to the new server, and now am
stuck because:
- dovecot IS running, dovecot service status shows no errors, but:
- if I try to connect with mutt from my desktop I get "connection refused"
- the ufw firewall does allow imap/imaps connections, and there are no
errors in its log
- even "telnet localhost 143" fails:
Trying ::1...
Connection failed: Connection refused
Trying 127.0.0.1...
telnet: Unable to connect to remote host: Connection refused
- I see no related errors in /var/log/mail.log or /var/log/syslog.
output of dovecot -n is pasted below, I only changed the actual domain name
to "example.com"
TIA for any pointer, I really need to get this server back online as soon
as possible...
Marco
# 2.3.21 (47349e2482): /etc/dovecot/dovecot.conf
# Pigeonhole version 0.5.21 (f6cd4b8e)
doveconf: Warning: NOTE: You can get a new clean config file with: doveconf
-Pn > dovecot-new.conf
doveconf: Warning: Obsolete setting in /etc/dovecot/conf.d/10-ssl.conf:9:
ssl_dh_parameters_length is no longer needed
# OS: Linux 6.8.0-51-generic x86_64 Ubuntu 24.04.1 LTS ext4
# Hostname: example.com
auth_debug = yes
auth_verbose = yes
auth_verbose_passwords = plain
mail_location = maildir:/var/mail/mymail_storage/base/
mbox_write_locks = fcntl
passdb {
args = /etc/imap.v_users
driver = passwd-file
}
passdb {
driver = pam
}
service auth {
unix_listener /var/spool/postfix/private/auth {
group = postfix
mode = 0660
user = postfix
}
}
service imap-login {
inet_listener imap {
port = 0
}
}
ssl_cert = </etc/letsencrypt/live/example.com/fullchain.pem
ssl_cipher_list = ALL
ssl_key = # hidden, use -P to show it
ssl_prefer_server_ciphers = yes
userdb {
args = /etc/imap.v_users
driver = passwd-file
}
userdb {
driver = passwd
}
verbose_ssl = yes
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