Rất hay, từ cơ bản đến nâng cao, các bạn chịu khó tự dịch lấy nhé:
You know how to send and receive email with Yahoo! Mail. Now find out how to add a picture to your signature, how to set up your own mailing lists, how to filter spam, powerful keyboard shortcuts and so much more. With Yahoo! Mail and if you know how, it's all easy!
http://email.about.com/od/yahoomailtips/Yahoo_Mail_Tips_Tricks_and_Secrets.htm