Pretty good article in Inc magazine titled, “5 Rules: How to Avoid a Spam Filter“.
Here are the 5 tips:
- Create a unique subject title.
- Avoid ‘salesy’ trigger words.
- Keep the format simple.
- Use graphics sparingly.
- Limit the number of URL links.
From a technical standpoint here are the common keywords that get caught up in Spam filters:
Advertisement, Business, Cash, Cheap, Commodity, Congratulations, Credit, Deal, Debt, Degree, Disclaimer, Discount, Free, Gimmick, Guarantee, Income, Ink, Investment, Joke, Load, Marketing, Merchant, Money, Obligation, Offer, Opt, Opportunity, Outstanding, Payoff, Price, Profit, Promo, Promotion, Rate, Refund, Rich, Sales, Save, Shop, Spam, Spree, Stock, Subscribe, Trading, Wealth, Win, Winner, Winning, and Won.
For the hardcore email marketer, read “How Spam Filters Work” by Mail Chimp.
