Not on Exchange, it's reverse dns entry. Try doing a Google search on the first line of this message and see what hits you come up with.
On Jan 28, 2008 2:54 PM, Victor Rodriguez <[EMAIL PROTECTED]> wrote: > WARNING: One or more of your mailservers is claiming to be a host other > than what it really is (the SMTP greeting should be a 3-digit code, followed > by a space or a dash, then the host name). If your mailserver sends out > E-mail using this domain in its EHLO or HELO, your E-mail might get blocked > by anti-spam software. This is also a technical violation of RFC821 4.3(and > RFC2821 > 4.3.1). Note that the hostname given in the SMTP greeting should have an A > record pointing back to the same server. Note that this one test may use a > cached DNS record. > > mx2.idfllc.com claims to be non-existent host idfmailprd01.idf.local: <br > /> 220 idfmailprd01.idf.local ESMTP Service ready <br /> > ~ Ninja Email Security with Cloudmark Spam Engine Gets Image Spam ~ > ~ http://www.sunbeltsoftware.com/Ninja ~ > -- Sherry Abercrombie "Reality is merely an illusion, albeit a persistent one." -Albert Einstein ~ Ninja Email Security with Cloudmark Spam Engine Gets Image Spam ~ ~ http://www.sunbeltsoftware.com/Ninja ~