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From: Burjan Gabor (burjanginf.elte.hu)
Date: Wed Feb 06 2002 - 11:53:01 CST

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    On Wed, Feb 06, Robert Dalton wrote:

    > I'm noticing a strange problem with dns_lookup.
    >
    > 554 Client host rejected: cannot find your hostname, [194.38.160.236]

    Postfix first resolves the reverse DNS entry, then it looks for the A
    record in order to prevent fake reverse:

    nope:~% host 194.38.160.236
    236.160.38.194.in-addr.arpa domain name pointer fulgan.deckpoint.net.
    nope:~% host fulgan.deckpoint.net.
    Host fulgan.deckpoint.net not found: 3(NXDOMAIN)
    nope:~%

            buga
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