Try

listen = 0.0.0.0

or

listen = 79.152.236.25, 127.0.0.1

instead.

Aki

> On 17/07/2023 14:07 EEST Wolfgang Paul Rauchholz <wp.rauchholz@gmail.com> wrote:
>
>
> Hello Aki,
>
> Thanks for picking up the topic.
>
> [root@home wp.rauchholz]# doveconf listen
> listen = ipv4
>
> root@home wp.rauchholz]# ss -lnpt | grep dovecot
> LISTEN 0 100 79.152.236.25:143 (http://79.152.236.25:143/) 0.0.0.0:* users:(("dovecot",pid=803194,fd=35))
> LISTEN 0 100 79.152.236.25:993 (http://79.152.236.25:993/) 0.0.0.0:* users:(("dovecot",pid=803194,fd=36))
>
> Wolfgang
>
>
>
>
> Wolfgang Rauchholz
> +34 627 994 977
> https://www.linkedin.com/in/wolfgangrauchholz/
>
>
>
>
> On Mon, Jul 17, 2023 at 11:59 AM Aki Tuomi <aki.tuomi@open-xchange.com> wrote:
> >
> >  > On 17/07/2023 12:37 EEST Wolfgang Paul Rauchholz <wp.rauchholz@gmail.com> wrote:
> >  >
> >  >
> >  > I run my home server under Rocky Linux 9. The server is modem / router and as such has two firewall interfaces; internal and external.
> >  > Dovecot version isdovecot-2.3.16-8.el9.x86_64
> >  > kernel is: 5.14.0-284.18.1.el9_2.x86_64
> >  > My domain is wo-lar.com (http://wo-lar.com) (http://wo-lar.com)
> >  > Postfix and Dovecot are up and running, and I can send and receive emails from CLI.
> >  > But I cannot connect from desktop clients. I get the following error message: Server message: Can't connect to host "tcp://wo-lar.com:143 (http://wo-lar.com:143) (http://wo-lar.com:143)"
> >  >
> >  >
> >  > I tried to telnet from my desktop and server. Results are the same:
> >  >
> >  > * I always get a connection refused: telnet wo-lar.com (http://wo-lar.com) (http://wo-lar.com) 143 telnet / telnet <Server LAN IP> 143. On server only: telnet 127.0.0.1 143
> >  > * telnet wo-lar 143 (without .com!) establishes aconnection
> >  > [root@home wp.rauchholz]# telnet wo-lar 143
> >  > Trying 79.152.236.25...
> >  > Connected to wo-lar.
> >  > Escape character is '^]'.
> >  > OK [CAPABILITY IMAP4rev1 SASL-IR LOGIN-REFERRALS ID ENABLE IDLE LITERAL+ STARTTLS AUTH=PLAIN AUTH=LOGIN] Dovecot ready.
> >  >
> >  > I went through all kinds for conf files and search for wo-lar string, but can't find it anywhere
> >  > Where is the mistake hiding?
> >  > Thanks for helping.
> >  >
> >  > Wolfgang
> > 
> >  What is your `listen` setting in dovecot.conf?
> > 
> >  you can check with `doveconf listen`
> > 
> >  Aki
> >
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