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Windows Server Forum / Exchange Server / Design / February 2006SMTP service and routing groups
Does anybody know if the SMTP service that is used for communications between routing groups, and the smtp service used for virtual SMTP servers is the same. Is it the same binary? Where I am going on this is trying to explain to management if putting SMTP for mail traffic should be removed from the BackEnd Server and moved to a FrontEnd Server. The question is the cost of the hardware. What does Microsoft reccomend doing? I know that there are things like A/V, DoS attacks, redundancy (though again, why not run SMTP for mail on a back end server). I guess what I need is the following: what is Microsoft's best practice reccomendation for SMTP virtual server and if it is the same service(binary) used for routing groups. Any links to Microsoft papers would be helpful. Please reply to microsoft.new=@=adamb.com SMTP is the transport used by Exchange 200x servers to transfer mail - even between 2 Exchange servers in the same Routing Group. You shouldn't remove SMTP svc from Exchange servers - except on Front-End servers where you don't want to use SMTP (the FE will only be used for HTTP (OWA), IMAP4 or POP3). http://www.microsoft.com/technet/prodtechnol/exchange/guides/E2k3TransnRouting/0 fe7e642-daec-4b1e-b9a9-836e38f2a776.mspx To route mail to/from the Internet you can setup a smarthost in your DMZ. This can be a non-Windows box running SMTP (like postifx, sendmail, et al), or a Windows box running IIS SMTPsvc (that's not a member of the domain). Set up a SMTP Connector to deliver to this smarthost. Alternatively, you can also use your ISP's smtp server - contact them for details. Another alternative is to use a service provider like Postini that also does anti-spam/anti-virus on smtp mail. The MX record in external/public DNS points to this smarthost as well. This allows your internal Exchange server to only communicate with a single, trusted smtp server (either on your DMZ or at your ISP) to send/receive internet mail. http://www.microsoft.com/TechNet/mnp_utility.mspx/framesmenu?url=/technet/prodte chnol/exchange/guides/E2k3TransnRouting/0fe7e642-daec-4b1e-b9a9-836e38f2a776.msp x  SignatureBharat Suneja MCSE, MCT www.zenprise.com blog: www.suneja.com/blog ----------------------------------------- > Does anybody know if the SMTP service that is used for communications > between routing groups, and the smtp service used for virtual SMTP servers [quoted text clipped - 10 lines] > > Please reply to microsoft.new=@=adamb.com > SMTP is the transport used by Exchange 200x servers to transfer mail - even > between 2 Exchange servers in the same Routing Group. You shouldn't remove [quoted text clipped - 16 lines] > internet mail. > http://www.microsoft.com/TechNet/mnp_utility.mspx/framesmenu?url=/technet/prodte chnol/exchange/guides/E2k3TransnRouting/0fe7e642-daec-4b1e-b9a9-836e38f2a776.msp x that sort of answers the question. But what I am really looking for is any white paper that talks about best practices fro SMTP service on a FrontEnd or BackEnd. I know that you need smtp to talk between servers, and if you stop it, well, you are SOL. Check - http://www.microsoft.com/technet/itsolutions/msit/operations/smtpggatewaysnote.mspx - http://www.microsoft.com/technet/prodtechnol/exchange/2003/library/extransrout.mspx SignatureBharat Suneja MCSE, MCT www.zenprise.com blog: www.suneja.com/blog ----------------------------------------- >> SMTP is the transport used by Exchange 200x servers to transfer mail - >> even between 2 Exchange servers in the same Routing Group. You shouldn't [quoted text clipped - 21 lines] > FrontEnd or BackEnd. I know that you need smtp to talk between servers, > and if you stop it, well, you are SOL. > Check > - > http://www.microsoft.com/technet/itsolutions/msit/operations/smtpggatewaysnote.mspx > - > http://www.microsoft.com/technet/prodtechnol/exchange/2003/library/extransrout.mspx thanks, that was exactly what I was looking for! |
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