Spam trigger words, do they exist, or don't they? And if spam trigger words exist, what are they? Here's the definitive answer. Ask 5 different email marketing or email deliverability experts whether there is really such a thing as spam trigger words, and you'll get seven different answers. Even highly respected deliverability sources will say something like "There is no such thing as spam trigger words... except.." or "Spam trigger words don't exist, but...". Because you see, spam trigger words do exist.