If you type your email address in a post, it is vulnerable to SPAM email-harvesters that comb the web looking for unencrypted email addresses. Best not to put your email in a post. Instead, you can tell people to email you by clicking on the email button below your post.
For more must-know computer info, like how to protect yourself from spam, pop-ups, and spyware, read the concise posts here.
Amy