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On Thu, 2010-04-01 at 13:22 +0100, Simon Waters wrote: > > We forward a lot of email without rewriting envelope sender > Which is why rejecting failed SPF is not a good idea. We didn't, but do now, rewrite sender addresses, although we had no complaints before. > Because SPF is broken by design, it rejects too much genuine email, so > almost no one rejects outright. > We will reject mail outright if the SPF record states only '-all'. We've had no complaints about that. John. -- John Horne, University of Plymouth, UK Tel: +44 (0)1752 587287 Fax: +44 (0)1752 587001 -- The Mailing List for the Devon & Cornwall LUG http://mailman.dclug.org.uk/listinfo/list FAQ: http://www.dcglug.org.uk/linux_adm/list-faq.html