You must complete the following tasks before Transact SMTP can work with Acoustic Campaign.
Acoustic Campaign Support must create a Transact organization for you and enable it for Transact sends.
Set the sending IP address for your account.
Establish an x-header for message headers (unless you use an alternative method).
Set up a notification email address in Acoustic Campaign.
After you enable Transact SMTP, you can set up an Acoustic Campaign database, email templates, and transactional message groups.