DeskMaster

Powerful electronic mail system allows you to send mail to other users on your system, other AS/400's, and the Internet.
Send message, word processing document, or fill-in form.
Robust message editor with formatting, spell checking, and text attributes.
Select DeskMaster users, SNADS addresses, Internet addresses, or groups as recipients.
Send mail with a future delivery date and time.
Pop-up notification of mail arrival allows you to display, reply to, or forward mail.
Option to allow recipients to view list of all recipients of mail item.
Reply to and forward mail with option of appending comments to original mail item.
Archive and categorize mail items.
Track status of incoming mail.
Retract or resend previously sent mail.
Confidential mail option forcing recipient to rekey password.
Print received mail by sender, date range, or unprinted only.
Copy received mail into a word processing document to allow modification.
Automatic deletion of old opened mail items.
Commands to quickly send a message or fill-in form from a command line.
API to send mail message from user written program.