millie at caea
Apr 29, 2008, 5:44 PM
Post #1 of 2
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Hello,
I just created our SPF records with the following two lines and sent the information to our ISP to enter into our DNS:
caea.com. IN TXT "v=spf1 ip4:216.138.203.130 -all"
email-server.caea.com. IN TXT "v=spf1 a -all"
In the "SPF vs Sender ID" article, it mentions that:
"The Sender ID specification contains a recommendation to use SPF's v=spf1 policies - which are originally defined to apply to MAIL FROM and HELO identities only - and apply them to the PRA identity as well. Specifically, it says to consider v=spf1 as equivalent to spf2.0/mfrom, pra. This is technically wrong, as it is explained in detail below. Sender ID implementors should correct this and treat v=spf1 records as equivalent to spf2.0/mfrom"
"Microsoft is aware of the problem and representatives of theirs have stated that they anticipate the conflict to resolve itself as soon as domain owners are publishing all their v=spf1 policy records with the possible PRA interpretation in mind. Of course this is not going to happen as there are hundreds of thousands of v=spf1 records out there that were published long before Sender ID even existed."
I am just about to publish my v=spf1 and I didn't have any possible PRA interpretation in mind. Is there something else I need to add to our SPF record?
Is the "spf2.0/mfrom" something I need to configure within our Exchange Server's Sender ID configuration? I haven't configured the Sender ID yet.
Thanks for your help.
Millie Kwan
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