This content is now starting to really get off-topic as I can see the benefits and use of SPF with Junkmail - I'm just trying to discover how I can fully implement SPF....
> -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] Behalf Of R. Scott Perry > Sent: Saturday, 27 December 2003 01:16 > To: [EMAIL PROTECTED] > Subject: RE: [Declude.JunkMail] SPF Fail & Remote EMail clients. > > > > > > >I can't (nor wish) to stop my users accessing my email > servers from other > > > >than my IP addresses but I can't see how I can allow this > and at the same > > > >time fully implement the usefulness of SPF. > > > > > > Ideally, you would have all your users use your mailserver. > > > >How can you force this? > > By saying "People that use an E-mail address on our domain must > send E-mail > through our mailserver." OK - how do I force them to do this with Imail? > The SPF record that you publish is used by anyone using SPF, not just > Declude JunkMail. So if you publish "v=spf1 +mx ?all", then any > mailserver > using SPF will treat any E-mail from your users that isn't sent > from an IP > of yours the same way that it treats all other E-mail that it > doesn't know > anything about (in other words, exactly the same way that it would treat > your mail if you do not have an SPF record). Therefore, by > publishing the > SPF record, you will be guaranteed to benefit. > I fail to see how I or anyone else will benefit to any worthwhile degree by me publishing SPF records with the ?all flag. Granted, the test will currently PASS because of my ip4:203.132.253.0/24 but spammers will never be allowed to use that range so spammers will still get away with the UNKNOWN result. I can see the benefit of me using your SPF test for other publishers using -ALL though - I am already seeing results especially with altavista. Thanks for implementing this excellent mechanism so quickly. Much appreciated. > > -Scott > --- > Declude JunkMail: The advanced anti-spam solution for IMail mailservers. > Declude Virus: Catches known viruses and is the leader in mailserver > vulnerability detection. > Find out what you've been missing: Ask about our free 30-day evaluation. > > --- > [This E-mail was scanned for viruses by Declude Virus (http://www.declude.com)] --- This E-mail came from the Declude.JunkMail mailing list. To unsubscribe, just send an E-mail to [EMAIL PROTECTED], and type "unsubscribe Declude.JunkMail". The archives can be found at http://www.mail-archive.com. --- [This E-mail was scanned for viruses by Declude Virus (http://www.declude.com)] --- This E-mail came from the Declude.JunkMail mailing list. To unsubscribe, just send an E-mail to [EMAIL PROTECTED], and type "unsubscribe Declude.JunkMail". The archives can be found at http://www.mail-archive.com.
