Question

Expand SMTP.i have no clue on what this is

Answer 1

Answer:

Extended SMTP (ESMTP), sometimes referred to as Enhanced SMTP, is a definition of protocol extensions to the Simple Mail Transfer Protocol (SMTP) standard. ESMTP was defined in November 1995 in IETF publication RFC 1869 which established a general structure for all existing and future extensions.

Answer 2

Answer:

Extended SMTP (ESMTP), sometimes referred to as Enhanced SMTP, is a definition of protocol extensions to the Simple Mail Transfer Protocol (SMTP) standard. ESMTP was defined in November 1995 in IETF publication RFC 1869 which established a general structure for all existing and future extensions.

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