Correction on smtp restart -it was defined !!

["Moberg Dale" <dmoberg@axway.com>]

Not known whether this is widely/routinely used though

Network Working Group                                         D. Crocker

Request For Comments: 1845                        Brandenburg Consulting

Category: Experimental                                          N. Freed

                                            Innosoft International, Inc.

                                                   A. Cargille, WG Chair

                                                          September 1995

                         SMTP Service Extension

                         for Checkpoint/Restart

Status of this Memo

   This memo defines an Experimental Protocol for the Internet

   community.  This memo does not specify an Internet standard of any

   kind.  Discussion and suggestions for improvement are requested.

   Distribution of this memo is unlimited.

 

ESMTP (“EHLO” instead of HELO) has a CHECKPOINT command, and ESMTP is widely implemented.

Haven’t searched for situation in POP or IMAP