RFC 1854: SMTP Service Extension for Command Pipelining

This memo defines an extension to the SMTP service whereby a server can indicate the extent of its ability to accept multiple commands in a single TCP send…

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Outgoing relationships (2 related RFCs)

Informative reference — RFC 821: Simple Mail Transfer Protocol
Informative reference — RFC 1651: SMTP Service Extensions

Incoming relationships (4 related RFCs)

Obsoleted by — RFC 2197: SMTP Service Extension for Command Pipelining
Informatively referenced by — RFC 2033: Local Mail Transfer Protocol
Informatively referenced by — RFC 2421: Voice Profile for Internet Mail - version 2
Informatively referenced by — RFC 1911: Voice Profile for Internet Mail