Hello there,
Long time not posting a question here, I hope someone has faced a situation as described in the following lines:
Our current scenario has to deliver messages through Microsoft Business Productivity Online Services. It uses SMTPTLS so we had the choice to configure SMTPTLS directly on OTRS or to ask OTRS to deliver the message to the local MTA and configure this MTA to use SMTPTLS. We chose the second options since is the one in which we've witnessed more advance, not to mention postfix log is more verbose that OTRS log regarding message delivery.
Here's the strange thing: When we try to deliver a message using index.pl?Action=AdminEmail or using the command-line, it is delivered, but when we try to deliver an auto-reply, the following message is written on the history: