In CA Automation Engine Version 12.1.1 no mails over Server can be sent. This affects command SEND_MAIL and Call-Objects. Error:
It happen although no changes were made to the objects. The error message is misleading, as the issue has nothing to do with any address format.
19.02.2018 13:47:11 U00050030 The SMTP client cannot create socket, error code '9', error description: 'Bad address format'.