1PopCheck 

Retrieves emails from any standard POP3 server. Allows viewing, deleting and defining rules on emails along with many other administrative features. Emails from various accounts can be checked in a single window. Costs $9.99.
1popcheck email email retrieval pop3 email utility email server email standards mime 1.0 software attachments decoding attachments uuencoded base64 standard web mail

MailMailer 

Compact easy to use server (web) based email mailer. Send newsletters to your clients, contact your staff, send one email or many. All you need is a browser, and a web server that supports php scripting (included on most commercial servers).
email mailing mailing list mail merge newsletters