On Saturday 06 March 2004 15:39, Meng Weng Wong wrote:
Before, an SMTP+SPF receiver would only look at the HELO argument if the
return-path was blank. Now, SMTP+SPF receivers MAY look at the HELO
argument all the time, and use it as the source of the
<responsible-sender>; if the HELO check returns a FAIL, the entire SPF
result is a FAIL and the SMTP receiver does not have to check the
return-path. Otherwise, use the MAIL FROM return-path as the source of
the <responsible-sender> and proceed as usual.
Can this make SRS redundant?