Joe, SPF records serve a very good purpose: to stop other servers from sending mail that only YOUR server should be sending... AKA forging viruses / forging spam / forging phising. This is VERY important in the effort to curb all the forging junk that bombards us all day long. -Chris
---------- Original Message ---------------------------------- From: "Joe Wolf" <[EMAIL PROTECTED]> Reply-To: [email protected] Date: Wed, 21 Dec 2005 08:58:11 -0600 >I'm not an SPF or DNS expert, but I am pretty good at logic. > >SPF is a failure. The forgot the key component that would have made it >work... registration with a central database. The way it stands anybody can >create any valid SPF record they choose. Spammers can create them just as >easily. Since there's no checking against a central database it makes the >whole thing worthless in my opinion. > >About the only thing SPF does is increase DNS traffic. > >You can't count SPF failure against a message or you'd be blocking a LOT of >valid messages. > >You can't accept SPF pass as anything good. A LOT of spam passes SPF. > >Just my humble opinion. It was a good idea that they stopped short of >making useful. > >-Joe >----- Original Message ----- >From: "Marc Funaro" <[EMAIL PROTECTED]> >To: <[email protected]> >Sent: Tuesday, December 20, 2005 7:21 AM >Subject: [IMail Forum] An update on SPF > > >> Hi Everyone, >> >> I've been out of the loop for a while, but would now like to ask the imail >> community -- is the SPF-worth-it debate settled down? Is it worth the >> time >> now to set up SPF records, and is it reducing spam? We have about 100 >> domains, and setting up SPF for all of them will be time consuming, but if >> it is now implemented and used by enough ISPs/etc., we have the time and >> resources to do it at this point. Just looking for opinions... But let's >> not turn this into a flamefest or anything :) >> >> Thanks for your time, >> >> Marc >> >> >> 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/ > 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/
