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Old June 20th, 2006, 10:28 PM   #1 (permalink)
kevin
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Spam & The SPF DNS Record

We all hate spam...well I hope you all do. I get a lot of returned email to a domain name that I own and that is hosted on Surpass. Most of the mail states things like user not known etc. The originator of the email is someusermydomain.com. someuser does not exist and is often something like ahgedfremydomain.com.

An educated guess is that it is mail originating from a spammer that is faking someusermydomain.com to send out mail.

I've always thought that this would be impossible to stop, but the other day I came across a website http://www.openspf.org/ that says that having a SPF record in my DNS zone would help beat it. It was a report from http://www.dnsreport.com/ that lead me to this. Check your domain name and look under Category, Mail;
Test Name, SPF record. All my domains hosted at Surpass give the same warning.

Your domain does not have an SPF record. This means that spammers can easily send out E-mail that looks like it came from your domain, which can make your domain look bad (if the recipient thinks you really sent it), and can cost you money (when people complain to you, rather than the spammer). You may want to add an SPF record ASAP, as 01 Oct 2004 was the target date for domains to have SPF records in place (Hotmail, for example, started checking SPF records on 01 Oct 2004).

http://www.openspf.org/ have a wizard to help in getting the correct entry to add to a DNS zone. However I don't have access to the DNS zone.

Does anybody have any experience with this? Would surpass be prepared to experiment with me on this? I can give a little used but highly spammed domain name to play with.

Email me at kevina2zpattaya.com
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