System refusing connections after CORE 3

[Gain Paolo Mureddu]

Markku Kolkka wrote:

>Gary W. Sherwin kirjoitti viestissään (lähetysaika sunnuntai, 23. 
>tammikuuta 2005 15:00):
>  
>
>>I upgraded to Fedora Core 3 yesterday.  Now postfix is
>>receiving mail from the net,
>>but refusing all client connections.  Telnet connections to
>>port 25 work, but not 110.
>>How do I get this working again?
>>    
>>
>
>Port 110 is the POP3 port. Postfix has nothing to do with 
>accepting connections from POP3 clients, it's a SMTP server. 
>Install a POP3 server, either dovecot or cyrus-imapd.
>
>  
>
And make sure to also open these ports in your firewall (if you have set 
one) with system-config-securitylevel. Good luck!