Turns out many of emails troubles are just from carelessness (aside from poor technique and targeting) and the findings show Format Errors, Compliance Errors, Unreadable Emails, and Re-direct Errors. If you don’t want people to be able to respond these are all great ways to assure that’s to happen.
A big part of declining click-through numbers might not have anything to do with lack of interest in the offers people are receiving, but of the atrocious quality-control practices and poor re-direct procedures used by many email campaigns. And there is absolutely no reason for it. [MediaPost]