w3 JMail
Using JMail will enable you to easily send email from your web page through the web server - without having to use an email client such as Eudora, Exchange or Outlook. Key features include: Attachments, Return Receipt, Log files, Set Priority, MIME and BASE64 Encoding, Queued mailings without separate NT service, Unlimited redundant servers, Blind Carbon Copy (BCC), Carbon Copy (CC), Urgent flagging, US ASCII, UUEncoding, X-Headers and custom headers, MS Mail and Exchange priority headers, and Internal MX lookup with MX priority and redundancy.