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SPF for IPv6

Discussion in 'E-mail Discussions' started by chrismfz, Oct 18, 2013.

  1. chrismfz

    chrismfz Well-Known Member

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    Shouldn't we have SPF records for IPv6 ?
    Example:

    I got a default ipv6 from datacenter.
    Never used it. No in hostname or anywhere.

    But sending email to check-auth@verifier.port25 I get a result like:

    Code:
    ==========================================================
    Original Email
    ==========================================================
    
    Return-Path: <xxx>
    Received: from myserver (xxxx:4f8:192:21d2::) by verifier.port25.com id hc5puu11u9cq for <check-auth@verifier.port25.com>; Fri, 18 Oct 2013 13:46:23 -0400 (envelope-from <xxx>)
    Authentication-Results: verifier.port25.com; spf=fail (not permitted) smtp.mailfrom=xxx
    it tries to check SPF record for the ipv6 address. But cPanel doesn't add something like that.

    Code:
    ----------------------------------------------------------
    SPF check details:
    ----------------------------------------------------------
    Result:         fail (not permitted)
    ID(s) verified: smtp.mailfrom=xxxx
    DNS record(s):
        xxxx.com. SPF (no records)
        xxxx.com. 1800 IN TXT "v=spf1 +a +mx +ip4:x.x.x.x +ip4:x.x.x.x -all" 
     
  2. Infopro

    Infopro cPanel Sr. Product Evangelist
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    This post may be helpful:
    EXIM IPv6 smtp thoughts - cPanel Forums

     
  3. radeonpower

    radeonpower Well-Known Member

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    You can add SPF record for IPv6 in your domain zone by adding ip6:IPv6-range to the TXT line.
     
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