Mark Nipper wrote: > On 10 Dec 2009, Marc Perkel wrote: > >> I'm not going to do SRS. I think SPF is a flawed technology. >> > > Why would you ask about something, and then almost > immediately turn around and call it a flawed technology? > > If you have a controlled environment where you know all > mail for a domain (or domains) is flowing through a select set of > mail servers, then SPF is a great solution and can easily help > reduce the amount of garbage. > > If this scenario does not describe your mail environment, > then don't publish SPF records (or publish extremely lax > records). However, I think this scenario probably describes a > large number of mail providers. > >
Sometime flawed technologies still have uses. SPF breaks email forwarding. But using that flaw I may be able to detect forwarding sources through SPF failures. The idea being that if it's legitimate email but SPF is wrong then the message was likely forwarded from a legitimate source. -- ## List details at http://lists.exim.org/mailman/listinfo/exim-users ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://wiki.exim.org/
