> >Let's say that I work for a hypothetical ACME Widgets, Inc. My e-mail > >address is [EMAIL PROTECTED] A potential customer, > >[EMAIL PROTECTED], tries to send me an e-mail message from his laptop > >using a public access point in his hotel. The network he's on is not > >listed as an allowed relay for example.com, according to their SPF > >record. My administrator (at acmewidgets.com) is honoring SPF > >records. What happens? > > That's just it - if your sales guy is at hotel with his laptop, he could > use AUTH/STARTTLS and actually relay through his company's mail server. > Thus the email from [EMAIL PROTECTED] would be delivered by > mail.acmewidgets.com to where it needed to go... SPF would be valid. This > no bounce at the destination.
You try and tell that to thousands of customers. Who had their laptops set up in 1997 by a company that has long gone bankrupt. And will sue you if suddenly their email isnt working anymore :) Welcome to the world of ISPs :) Cor _______________________________________________ Visit http://www.mimedefang.org and http://www.canit.ca MIMEDefang mailing list [EMAIL PROTECTED] http://lists.roaringpenguin.com/mailman/listinfo/mimedefang
