What’s useful in the appendix

In this section you’ll find links to pages that can help you work out why the software might not be doing what you expect or explain what something means.

Sending emails sounds easy but it’s a complex process getting great ROI.  We hope that the appendix will help get to the root of some causes of ‘odd things’.

Posting HTTP Data

Subscription Form Codes

Bounce Codes and What Triggered It/Them