Supported SMTP RFCs
The SMTP Server supports the following Request for Comments (RFCs):
- RFC 2821 and 2822 SMTP
- RFC 1869 SMTP Service Extensions
- RFC 1870 SMTP Service Extensions for Message Size Declaration
- RFC 1891,1892,1893,1894 SMTP Service Extension for Delivery Status Notifications
- RFC 1985 SMTP Service Extension for Remote Message Queue Starting. Currently, IMail provides support for "ETRN host.name" and "ETRN @domain .name."
- RFC 2222 SMTP Service Extension for Authentication. IMail supports PLAIN, LOGIN, and CRAM-MD5.
- RFC 2487 supports TLS negotiation via the STARTTLS command.