Here is a comprehensive list of words and phrases to avoid in email messages to avoid spam filters:
Act now, Amazing, Buy now, Cash, Earn extra cash, Congratulations, Discount, Free, Guaranteed, Limited time offer, Make money fast, Money back guarantee, New customers only, No catch, No obligation, Offer expires, One time, Opportunity, Promise, Risk-free, Sale, Special promotion, This is not spam, Unsubscribe, Urgent
Using too many of these words in an email message can trigger spam filters, resulting in the message being sent to the spam folder or even blocked altogether. Additionally, using excessive punctuation, all caps, or excessive formatting can also trigger spam filters. It's important to focus on creating clear, concise, and personalized messages that provide value to the recipient and avoid using language that could be considered spammy or promotional in nature.