Hi all, thank you for your help, it's finally working. I changed the local_interfaces to "local_interfaces = 0.0.0.0" and changed the SMTPHOST to 130.83.2.184. === = ==== /#/\#\ /#/\#\ /#/ \#\ /#/ \#\ /#/ patrick \#\ /#/ @ \#\ /#/ malkin.de \#\