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Re: outgoing SMTP and dynamic DNS

Bruce writes:
> Reverse resolution happens through your internet provider. I think the
> important point is that the name in your SMTP hello (which will set the
> envelope-from) resolve to the IP number you are using.

Another experiment:

EHLO qwerty.blorg.bar
250-bucky.win.bright.net Hello elk4-cs-14.win.bright.net [], pleased to meet you
MAIL FROM: <jghasler@win.bright.net>
250 <jghasler@win.bright.net>... Sender ok
RCPT TO: bruce@va.debian.org
250 bruce@va.debian.org... Recipient ok
354 Enter mail, end with "." on a line by itself
Looks like BrightNet doesn't care too much about the EHLO address...
250 PAA10163 Message accepted for delivery

The HELO address can be anything, but the MAIL FROM: must be in

John Hasler
john@dhh.gt.org (John Hasler)
Dancing Horse Hill
Elmwood, WI

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