On addition:
On 10.04.2012 11:40, Achim wrote:
Replacing the shipped libraries with the ones from here:
https://svn.roundcube.net/trunk/roundcubemail/program/lib/Mail/
enables sending messages again.
I also had to replace the file roundcubemail-0.7.2/program/lib/Net/SMTP.php with this one:
https://svn.roundcube.net/trunk/roundcubemail/program/lib/Net/SMTP.php
Still baffled why the other 10.04 instance just works...
Achim