This uses the enterprise edition of ACYMailing. Set up a dedicated email for bounce handling. I had to configure ACYMailing to send with SMTP as opposed to phpmailer as I had used in the past. I was able to change it to "SendMail" and have it function as well.
Setting up Bounce Handling with ACYMailing 6
Send an email newsletter (campaign) in ACYMailing 6
ACYMailing 6 Add "unsubscribe" & "view online" link
Add an "unsubscribe" and "view online" link to your ACYMailing 6 template.
ACYMailing 6 Template Creation
Your email newsletter template includes the information that will be used on every newsletter you send. Include your logo and consistent information and build your newsletter from this main starting point.