On Thu, 13 Jan 2005 21:52:34 +0100, Stephane Bortzmeyer wrote:
A very convenient way to roam around an ideal SPF world, where
everyone publishes SPF records, is simply to set a RFC 2821 MAIL FROM
(aka Return Path) which reflects your current location, while keeping
the RFC 2822 From: to mean the identity you care about.
You are confusing rfc2821.mailfrom with rfc2822.sender.
MailFrom is where return notices go, and it is not required to have anything at
all to do with the venue from which posting is performed. In fact bounce
processing requirements sometimes dictate that it be quite different from From
or Sender.
Setting the Sender field to reflect the posting venue would not be unreasonable.
d/
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Dave Crocker
Brandenburg InternetWorking
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