I scanned that link and it looks very useful - thanks for passing it along. (And I fall at the feet of the people who make the effort to explain this stuff for the Rest of Us!)
Lee ----- Original Message ----- From: "Barbara Miller" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Tuesday, November 13, 2001 11:06 AM Subject: RE: [Leaf-user] Exchange server behind EigerStein w/NAT can not send to some sites > Hello, > > Thanks, Mark and Sam and Lee, for your replies. > > I've just come across this page, http://bind8nt.meiway.com/itsaDNSmess.cfm, > which provides clear explanations of several reasons why a mail server > sitting behind a NATing firewall without its own public IP address and > proper DNS records might fail to send to some domains while successfully > sending to many. > > I can't find a place in Exchange (5.5) where I can tweak what it says in an > SMTP session. I have neither the documentation nor the training to be > confident, however, that such tweaking is impossible. Does anyone out there > know? > > Otherwise, I will try, as a quick fix, changing the Exchange server's DNS > name, that is, its name under the DNS tab of the TCP/IP section of its > Network control panel, to the firewall's. I can't think of anyplace else > this name gets used on our network... so this shouldn't break anything... > > I will have a look at postfix, too. > > Thanks again, > > Barbara Miller _______________________________________________ Leaf-user mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/leaf-user
