A new version (-07) has been submitted for draft-klensin-smtp-521code:
https://www.ietf.org/internet-drafts/draft-klensin-smtp-521code-07.txt
The IETF datatracker page for this Internet-Draft is:
https://datatracker.ietf.org/doc/draft-klensin-smtp-521code/
Diff from previous version:
https://www.ietf.org/rfcdiff?url2=draft-klensin-smtp-521code-07
Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.
IETF Secretariat.
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