Now that e-mail marketing is the norm, there are some major pitfalls to avoid. Some of our favorites include: Spam, an all caps subject line, robotic writing, or e-mails that are too long.
People are in a hurry; it is best to keep things short and sweet. Consumers should also get a general idea of the e-mail content from a welcoming subject line. Finally, make sure your e-mails are readable, free of errors, and clear.
For more pitfalls and opinions on what to avoid, read this awesome article.