Noticeably absent? Porn.
"Porn is passe when it comes to spam," Nicholas Graham, an AOL spokesman said.
Sexually suggestive e-mails took another tumble this year after slipping in popularity last year.
More than, known as spam, were blocked by AOL filters, slightly above 2004 levels, the company said. The number of junk e-mails reported by AOL's 26 million members worldwide has declined about 75 percent since 2003.
E-mails using moreby purporting to be from a friend or a legitimate agency or bear subject lines such as "Your Mortgage Application is Ready" are also beginning to replace blatant product promotions, AOL said.
Spammers "are (employing) 'back alley' tactics, and they are doing it with a specialized team that's working overtime to hide the source of their spam by employing zombie PC's, bot-nets and using other nefarious tactics," Charles Stiles, AOL's postmaster, said in a statement.
In 2005, AOL blocked an average of 1.5 billion spams per day. Approximately eight in 10 e-mails received at its gateway were blocked as junk.
AOL is a division of media conglomerate Time Warner.