- there are 19 characters -- you must include the colon and the space after the colon in the phrase.
- there is a hyphen between the two words.
- the letters are all capitals.
This phrase must be exact. So, you might see a subject line that looks like: Subject: SEXUALLY-EXPLICIT: Care to trade?Apart from being interesting, how can this help you? Find the filter in your email software package and filter all email messages with a subject line that starts with "SEXUALLY-EXPLICIT: " This will not get rid of all sexually explicit email messages, but I'm hopeful it will decrease the number.