In an article over at ClickZ today, the author details 25 things email marketers must avoid in 2012, covering everything from a lack of testing to not dealing with deliverability and list hygiene issues. What’s the overall recommendation? ”Have a list for big picture initiatives and blocking-and-tackling measures,” the author explains. ”Then figure out the best way and resources to accomplish both of them and establish a reasonable timeline. Oh, and make sure you avoid some traps that strangle progress and end any chance for positive momentum.” The full list of 25 things to avoid is available here .