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  o Based on your search of [821] in the Number field 1 matches were found
     - Below you will find matching items 1 through 1
Number Title Author or Ed. Date Format More Info (Obs&Upd) Status
RFC0821
STD0010
Simple Mail Transfer Protocol  J. Postel  August 1982  ASCII  Obsoletes RFC788, Obsoleted by RFC2821  STANDARD 
The objective of Simple Mail Transfer Protocol (SMTP) is to transfer mail reliably and efficiently. SMTP is independent of the particular transmission subsystem and requires only a reliable ordered data stream channel. Obsoletes RFC 788, 780, and 772.
SMTP