Enhance Outlook Express with full-featured, automatic spell checking with minimal cost! Award-winning AutoSpellâ„¢ for Outlook Express quickly and easily plugs into your application, and automatically checks spelling whenever you click Send. With support for over 16 languages and legal, medical and custom dictionaries, your e-mail messages will look their best

MailOMatic
MailOMatic is the BEST tool for mass mailing. You can advertise for a new product, inform your subscribers of news or even use it for every day mailing.It's a useful for companies, publishers , professionals, and for individuals as well;

Send-Safe Bulk Email Software
Real anonymous bulk email software. You can use your regular Internet connection because your IP address will never be shown in the email headers.Send-Safe performs email validation and displays delivery statistics in real time.

SpamArrow
SpamArrow is a SpamAssassin based spam blocker to effectively filter unwanted spam emails with near zero false positives. This anti spam software is a great add-on for Outlook and Outlook Express by automatically creating integrated toolbar buttons.

Arclab MailList Controller
MailList Controller is a stand alone POP3/(E)SMTP based application to create and manage multiple electronic newsletters, mailling lists, support mails, forums and ezines.

MSGTAG
MSGTAG alerts you the moment an email you've sent is opened. It's fun, free, privacy-protected and doesn't re-route your email through outside servers. MSGTAG is easy to use and works with your existing email program. Don't wonder. Know.