Question Regarding .local vs .com domain

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    JMajor
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    #154126

    Hello all,

    I have a question (I hope simple) regarding .local versus .com for my business domain. In summary, is it a problem if NDR delivery reports or other mail servers see my server as servername.domainname.local instead of the public facing servername.domainname.com?

    As an example, ATT blacklisted this system briefly yesterday (for another reason, I suspect) here is the message summary information:

    Generating server: servername.domainname.local

    [email protected]
    att.net #521-publicipaddress blocked by sbc:blacklist.mailrelay.att.net. 521 DNSRBL: Blocked for abuse. See http: // att.net/blocks ##

    Original message headers:

    Received: from servername.domainname.local([fe80::78eb:eb56:6b52:2cb1]) by
    servername.domainname.local

    This is a newly built Windows 2008 server with Exchange 2007, and so far as I can tell I am not having any issues sending or receiving email, but I’m just nervous if this might cause me problems down the road. My reverse DNS for this IP address points to servername.domainname. com . I have all SSL certs going and working.

    Thanks in advance.

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