rouncube smtp problems

[Jan Kowalsky]

Am 06.10.2015 um 19:04 schrieb Jan Kowalsky:
> 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

sorry for german error message:

It means: Connection Timeout