Andrew, Split DNS is simple once you understand the concept. It is the concept that most people such as yourself take a while to understand and which necessitate screen shots and paragraphs of text to explain. John T eServices For You > -----Original Message----- > From: Andrew English [mailto:andrew@xxxxxxxxxxxxxxxxxxxxxx] > Sent: Monday, April 25, 2005 7:47 AM > To: [ISAserver.org Discussion List] > Subject: [isalist] RE: Split DNS Questions... > > http://www.ISAserver.org > > Split DNS is simple for the most part so I don't know why people make is > so complicated by publishing screens and screens of text. > > Basically you have your internal DNS which like you said works fine. > > Then you have your external DNS which your ISP or domain name provider > manages/ or allows you to manage. > > All you really have to do is match your internal with your external. > Example; exchange.server.com internally points to your exchange box, > while on the internet it points to the external IP of your ISA server so > that when you are at home or out on the road and were to ping > exchange.server.com from another source it would respond with your > companies external IP address (not the internal one). > > Andrew > > > -----Original Message----- > From: Ball, Dan [mailto:DBall@xxxxxxxxxxx] > Sent: Monday, April 25, 2005 10:12 AM > To: [ISAserver.org Discussion List] > Subject: [isalist] RE: Split DNS Questions... > > http://www.ISAserver.org > > I'm running into more and more problems with outgoing SMTP errors. They > seem to all tie back to using multiple ISPs on the ISA server. The > Internal DNS resolution seems to be working fine. > > A lot of e-mail servers are now doing reverse DNS lookups before > accepting a message, so I need to have that name resolved correctly. > Hopefully a Split DNS will solve that for me. > > Also, this morning I was notified of incoming mail being rejected also > with an "unrouteable address" error. While I think is most likely a > problem with the sender's SMTP server, I can't be 100% certain. If I > can get an authoritative DNS server in here that we can control, it will > allow us a lot more flexibility. > > -----Original Message----- > From: Jim Harrison [mailto:Jim@xxxxxxxxxxxx] > Sent: Monday, April 25, 2005 09:52 > To: [ISAserver.org Discussion List] > Subject: [isalist] RE: Split DNS Questions... > > http://www.ISAserver.org > > Hi Dan, > > Split DNS isn't an ISA question. > The core issue is how you configure DNS internally. > > ------------------------------------------------------ > List Archives: http://www.webelists.com/cgi/lyris.pl?enter=isalist > ISA Server Newsletter: http://www.isaserver.org/pages/newsletter.asp > ISA Server FAQ: http://www.isaserver.org/pages/larticle.asp?type=FAQ > ------------------------------------------------------ > Other Internet Software Marketing Sites: > World of Windows Networking: http://www.windowsnetworking.com > Leading Network Software Directory: http://www.serverfiles.com > No.1 Exchange Server Resource Site: http://www.msexchange.org > Windows Security Resource Site: http://www.windowsecurity.com/ > Network Security Library: http://www.secinf.net/ > Windows 2000/NT Fax Solutions: http://www.ntfaxfaq.com > ------------------------------------------------------ > You are currently subscribed to this ISAserver.org Discussion List as: > andrew@xxxxxxxxxxxxxxxxxxxxxx > To unsubscribe visit http://www.webelists.com/cgi/lyris.pl?enter=isalist > Report abuse to listadmin@xxxxxxxxxxxxx > > ------------------------------------------------------ > List Archives: http://www.webelists.com/cgi/lyris.pl?enter=isalist > ISA Server Newsletter: http://www.isaserver.org/pages/newsletter.asp > ISA Server FAQ: http://www.isaserver.org/pages/larticle.asp?type=FAQ > ------------------------------------------------------ > Other Internet Software Marketing Sites: > World of Windows Networking: http://www.windowsnetworking.com > Leading Network Software Directory: http://www.serverfiles.com > No.1 Exchange Server Resource Site: http://www.msexchange.org > Windows Security Resource Site: http://www.windowsecurity.com/ > Network Security Library: http://www.secinf.net/ > Windows 2000/NT Fax Solutions: http://www.ntfaxfaq.com > ------------------------------------------------------ > You are currently subscribed to this ISAserver.org Discussion List as: > johnlist@xxxxxxxxxxxxxxxxxxx > To unsubscribe visit http://www.webelists.com/cgi/lyris.pl?enter=isalist > Report abuse to listadmin@xxxxxxxxxxxxx