Supported SMTP-related RFCs

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Description	A list of SMTP-related RFCs that are supported by FortiMail units.
Components	All FortiMail versions up to FortiMail v3.0 MR5 Note: This list of RFCs was moved and expanded in FortiMail v4.0. For the current list, see the FortiMail Administration Guide.
Listing	FortiMail units support the following SMTP-related standards. RFC 1869 (SMTP Service Extensions) RFC 1891 (SMTP Delivery Status Notifications) RFC 1892 (Multipart/Report) RFC 1893 (Mail System Status Codes) RFC 1894 (Delivery Status Notifications) RFC 1985 (SMTP Service Extension for Remote Message Queue Starting) RFC 2034 (SMTP Service Extension for Returning Enhanced Error Codes) RFC 2045 (MIME) RFC 2505 (Anti-Spam Recommendations for SMTP MTAs) RFC 2554 (SMTP Service Extension for Authentication) RFC 2821 (Simple Mail Transfer Protocol) RFC 2822 (Internet Mail Header Format)