---------- Forwarded message ---------
Da: Marco Fioretti <marco.fiore...@gmail.com>
Date: mar 21 gen 2025 alle ore 19:33
Subject: Re: [OFFLIST] Re: connection refused, no error anywhere
To: Michael Peddemors <mich...@linuxmagic.com>


Hi Michel,

I cannot say which NGO it is. What I know is that everything with that
configuration was working fine, as far as they know, on the old server. So,
any help to change the configuration to make it work with the current
version of dovecot on Ubuntu 24.04LTS is very welcome...

Il giorno mar 21 gen 2025 alle ore 19:11 Michael Peddemors <
mich...@linuxmagic.com> ha scritto:

> Which NGO?
>
> Don't listen on port 143 any more, make sure to only listen on
> 587/465/993/995 with TLS/SSL..
>
> NGO's are often targeted..
>
>
>
> On 2025-01-21 09:50, 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
> > _______________________________________________
> > dovecot mailing list -- dovecot@dovecot.org
> > To unsubscribe send an email to dovecot-le...@dovecot.org
>
>
> --
> "Catch the Magic of Linux..."
> ------------------------------------------------------------------------
> Michael Peddemors, President/CEO LinuxMagic Inc.
> Visit us at http://www.linuxmagic.com @linuxmagic
> A Wizard IT Company - For More Info http://www.wizard.ca
> "LinuxMagic" a Reg. TradeMark of Wizard Tower TechnoServices Ltd.
> ------------------------------------------------------------------------
> 604-682-0300 Beautiful British Columbia, Canada
>
>
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