Editing Simple Mail Transfer Protocol (section)

==See also==
*[[Bounce address]]
*[[CRAM-MD5]] (a SASL mechanism for ESMTPA) {{IETF RFC|2195}}
*[[Email]]
**[[Email encryption]]
*[[DKIM]]
*[[Ident protocol|Ident]]
*[[List of mail server software]]
*[[List of SMTP server return codes]]
*[[POP before SMTP|POP before SMTP / SMTP after POP]]
*[[Internet Message Access Protocol]] Binary Content Extension {{IETF RFC|3516}}
*[[Sender Policy Framework]] (SPF)
*[[Simple Authentication and Security Layer]] (SASL) {{IETF RFC|4422}}
*[[SMTP Authentication]]
*[[Variable envelope return path]]
*[[Comparison of email clients]] for information about SMTP support