MailTester.com:
Online tool to test an e-mail address. Find out if is valid, why it
bounces or what type of mailserver the mailbox is on.
http://mailtester.com/
The Email Archive:
Internet rumours, stories, pictures, jokes, topical issues.
http://www.futuregate.co.uk/
Suite of Emails:
Login your multiple email accounts from one web page.
http://victorian.fortunecity.com/beardsley/503/email.htm
Postini:
In-line infrastructure for pre-processing email messages in real
time. Allows email management applications to be integrated into any
SMTP email system.
http://www.postini.com/
