If you’ve tried to configure the FreePBX phone system to send emails through a Office365 account, you probably ran into a few roadblocks. There are a number of ways to work around these issues, but this post describes the method I have found to be the easiest.
First, identify an existing Office365 account that will be used to relay the email messages, or create a new one for that purpose. For example purposes, we’ll assume this account has an email address of [email protected].
Under Admin >System Admin > Email Setup, set the following options: