As yet, there has been no discussion on this issue.
John C Klensin wrote:
Section 4.1.4, paragraph 6 (starting "An SMTP server MAY verify...")
discusses the use and validation of the domain name value in EHLO or
HELO. It has been suggested that this discussion be strengthened by a
discussion of the conditions under which rejection for a bad EHLO
argument might be permitted. That discussion would be explicitly tied
to the material about rejections in Section 7 (Security Considerations).
At least one argument against a change is that it would be hard to write
the needed text without promoting future arguments about situations that
are not covered. Right now, the model is to describe one specific
reason why a message cannot be rejected based on an EHLO parameter, then
essentially invoke the rule that a server can reject a message for
virtually any reason, just because it isn't obligated to accept and
Question: Is a change needed here, or is the text ok as is?