Sometimes they're too clever for their own good

Sometimes spammers mangle their text by replacing letters with numbers or symbols that look somewhat like those letters, like "Cial1s T@bs" or the famous 16 million spellings of v1agr4.

Leo Kuvayev might not be getting many click throughs on one of his latest spam runs after he accidentally replaced letters in his links as well as his text, leaving the reader to work out that $ev@$to.c0m is supposed to be sevasto.com.