rouncube smtp problems

[Thomas Spuhler]

On Tuesday, October 06, 2015 07:04:31 PM Jan Kowalsky wrote:
> Hi all,
> 
> maybe someone can help me with an roundcube smtp error. Just setup a new
> roundcube server and configured it to use another mailserver for postfix
> and cyrus.
> 
> Everything is fine - except submission/sendig emails:
> 
> I get the rouncube error:
> 
> PHP Warning:  stream_socket_client(): unable to connect to
> 10.0.0.123:587 (Die Wartezeit für die Verbindung ist abgelaufen) in
> /usr/share/php/Net/Socket.php on line 139
> 
> but the server 10.0.0.123 is definitely available:
> 
>  nc -vz 10.0.0.123 587
> mail.datenkollektiv.net [10.0.0.123] 587 (submission) open
> 
> The routing table is also ok as the firewall settings are in my opinion.
> 
> Another roundcube server in the same subnet can access the mailserver
> without problems.
> 
> I already set debug level of roundcube to 5 and smtp logs to true - but
> I don't get further informations.
> 
> Any idea?
> 
> Thanks and kind regards.
> 
> Jan
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What is the result of nmap 10.0.0.123 from the server where roundcube is 
installed

-- 
Best regards
Thomas Spuhler

All of my e-mails have a valid digital signature
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