Via Sarah Eaton: In the latest issue of the BeTuitive newsletter they highlight seven words that will trigger the spam filters to take action against your email. These words might not trigger action if you are on the recipients white list, if you have implemented any type of sender verification (YAHOO DomainKeys, SPF, etc.), or if you send digitally signed email communications. Also note that anything in all capital letters, too many characters in emails and a slew of other things can trigger spam filters. Here's a sample of the words from their list:
- enlarge
- free
- click here
- spam
