An introduction to the Settings >> Discussion section of your WordPress website.
|Default article settings||
|Other comment settings||
|E-mail me whenever||
|Before a comment appears||
|Comment Moderation||Here you call tell WordPress how to handle comments based on:
|Comment Blacklist||Same as comment moderation, but this will prevent any of the offending items from being put into comment moderation as it will mark the comment as spam automatically|
|Avatars||You can allow your commenters, authors or contributors to show an icon next to their posts.Check the box to show avatars – leave unchecked to disallowIf you allow avatars, you can choose a rating for them (similar to movie ratings) and you can choose a default style if the commenter/author/contributors email address is not tied to an image in their Gravatar.com accountYou can register for a free account at Gravatar.com and choose an image to correspond to any of your email addresses|