This is only for people who have email addresses and check them regularly.

1 Log in and click on "options" and then "general"
2 Type your email address into the box (read the line below about confirming it)
3 Click update options
4 Stay under options and click on "discussion"
5 Check off the boxes just like the image below:

Usual settings for an article:
(These settings may be overridden for individual articles.)
  • Attempt to notify any Weblogs linked to from the article (slows down posting.)
  • Allow link notifications from other Weblogs (pingbacks and trackbacks.)
  • Allow people to post comments on the article
E-mail me whenever:
  • Anyone posts a comment
  • A comment is held for moderation
Before a comment appears:
  • An administrator must always approve the comment
  • Comment author must fill out name and e-mail
  • Comment author must have a previously approved comment