Extended SMTP

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This editable Main Article is under development and subject to a disclaimer.

[edit intro]

Extensions of the Simple Mail Transfer Protocol (SMTP).

### General references[edit]

* RFC-1869, STD 10 "SMTP Service Extensions", J. Klensin, et.al. 1995.
* IANA Registry IANA's registry of recognized SMTP service extensions.
* Extended SMTP

### Specific extensions[edit]

* RFC-4954 [SMTP-AUTH] "SMTP Service Extension for Authenticiation", R.Siemborski, A.Melnikov, 2007.
* RFC-3207 [Start-TLS] "SMTP Service Extension for Secure SMTP over Transport Layer Security", P.Hoffman, 2002.
* RFC-5246 "The Transport Layer Security (TLS) Protocol, Version 1.2", T.Dierks, E.Rescorla, 2008.