SPF REcord Creation

Posted on 2007-07-23
Last Modified: 2008-02-01
Where do I create it?  Do I create it?  At the mail server itself?  My ISP?  WHo?  I called interland (now and they said call our provider verizon.  Verizon says to call them.

We have the email name hosted with network solutions, pointing to interland's ( DNS servers which direct the mail to OUR in house server.  The mail also of course originates FROM our in house  server.

It is w2k3 server enterprise with symatec premium antispam.  Symantec said we need to create and SPF record at:

But I don't know WHERE to put it, what to put in and if it will screw up our mail??

here is another link for windows machines:
Question by:Sp0cky
    LVL 9

    Expert Comment

    The SPF record has to be set on the authoritative DNS servers for your domain (interland)
    Use the wizard to generate the record.
    Read more on the subject:
    LVL 104

    Expert Comment

    SPF records aren't worth the time it takes to try and configure them.
    Their deployment level is so low that they cannot be used for any kind of effective spam detection other than scoring.

    Do you actually know what an SPF record does? It will not do anything to change the amount of spam that you receive. The idea of an SPF record is to stop spammers from spoofing your domain for other people.

    LVL 4

    Expert Comment

    SPF does allow you to add a layer of protection when spammers try to fool your own mailserver when sending mail to you using your own domain as the from address.

    That is actually the only added value from an anti-spam point of view... but then again there were already 10 other ways to implement this trick.

    I agree with Simon that the deployment level is too low to trust that the Sender Proof Framework will actually lower the amount of spam that will end up in your Inbox.

    Raymond Zwarts

    Author Comment

    Thanks experts.

    "The SPF record has to be set on the authoritative DNS servers for your domain (interland)
    Use the wizard to generate the record."

    Interland ( kept us going back and forth with verizon for 5 hours.  Then they said outright "no" we will not do it.  They have no clue.

    "Sender Proof Framework "  hmm.. I did not know that was the full name.  thanks.

    If I do decide to create this entry...I want to be sure how to do it.  So our server is lets say  our domain is is a separate website and is the mail which one do I enter for the link ?

    LVL 4

    Accepted Solution

    Paste this into your zone file: IN TXT "v=spf1 a mx -all"

    if you want to soft-fail (just record forgery) change -all to ~all  (tilde instead of dash).


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