That depends on what you want the receiving mail server to do with messages that aren't from allowed sources.
~all or 'softfail' can be loosely translated to: "I think this message might have a forged from addy, but I can't be 100% positive. Please let it in, just in case...but be careful." -all or 'fail' can be loosely translated to: "I know for a FACT this message has a forged from addy. I wouldn't deliver it if I were you." The draft for SPF recommends deleting messages that return this result. Now, of course...the receiving mail admin could do whatever they want with the message, but the 'all' statement gives them a recommendation. PS - ?all or 'neutral' means: "I can't say one way or the other whether this is forged. I really have no idea. Do what you want with the message." Have a good one, Christian -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Tom Pepper Sent: Wednesday, May 25, 2005 8:32 AM To: ++++IMail List Subject: [IMail Forum] SPF Records Question Last September, I generated a SPF file at pobox.com which specified to use "-all" This Tuesday, I went back to pobox and generated the file again (several times to test it) and this time it specified to use "~all". I'm now a little confused. In your opinion, what should it be? I am currently testing with "-all" and things seem to be working properly. The file is set up on our external dns server. Should one also be set up for the internal dns server that runs behind the firewall? Thanks for you help. Tom To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html List Archive: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/ To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html List Archive: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/
