Mangga Webmail

Email Etiquette: Some guidance to email users. The author offers advice to make you more computer-worthy (probably more worthy than you desire) and to prevent you from embarrassing yourself at some point in the near future.
HTML Email is Evil: Six main reasons for NOT sending HTML or MIME emails.
Email headers: Fed-up recipients of unsolicited emails might find this useful in attempting to determine the real source of the unsolicited emails they received.
Email in full: How do I get my email program to reveal the full, unmodified email?