From CommonJS Spec Wiki
Email APIs
Sending email is an extremely common server side activity and must be supported. This means providing easy mechanisms for generating a MIME message and sending email via an SMTP server (or possibly via a local command).
Prior Art
- Microsoft CDO.Message object. Used in classic ASP, WSH, HTAs.
- Netscape Server JavaScript 1.2 Sendmail API
- PHP PEAR Mail_Mime : Sample
- PHP Zend Mail