Sometimes you may want to explicitly keep someone from contacting you. Ignoring them is often simplest, but there are tools to help as well.

Leo A. Notenboom has been playing with computers since he was required to take a programming class in 1976. An 18 year career as a programmer at Microsoft soon followed. After "retiring" in 2001, Leo started Ask Leo! in 2003 as a place for answers to common computer and technical questions. More about Leo.