Re: smart host smtp?
From: Javier Gomez [SBS MVP] (javier_gomez_at_remove.this.engineer.com)
Date: 09/17/04
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Date: Thu, 16 Sep 2004 22:28:26 -0400
Hmmm... the service offered by your ISP sounded kind of "fishy"... I mean->
Why they offered a "spam filtering service" that checks your Outgoing mail?
What would be the purpose of this? They should have been monitoring
*incoming* mail... no? Same thing goes for a backup mailserver. Some ISPs
are crazy (for a lack of a better word).
In any event... as you point out the "smarthost experience" is very
dependant on your ISP. Fortunately, you can get another ISP to host the
smarthost for you (and there are many that can do it for very small fees).
Of course, that if you have a static IP and you can get your ISP to put the
correct PTR records then there is no need for this :-)
-- Javier [SBS MVP] << SBS ROCKS !!! >> "Andrew M. Saucci, Jr." <spam-only@2000computer.com> wrote in message news:uUNINrFnEHA.4056@TK2MSFTNGP09.phx.gbl... > My experience with smarthosts has been abysmal. There was the one > client where the mail queue kept getting stuck. Then in our office, even > though we have a T-1 with a static IP, we signed up for a spam filtering > service that requested that we route all our outgoing mail through it for > a > "business continuity" option (they back up all the mail in case our server > crashes). After we started doing that, our own mail queue kept getting > stuck. There is no warning and no way to know other than to check every > day > or to wait for people to call and complain that their mail hasn't gone out > for a week. That just isn't acceptable. I got tired of the mail queue > sticking all the time and switched back to DNS. We don't have that problem > at any of our DNS clients. That's why I use smarthosts only as a last > resort. > > "Javier Gomez [SBS MVP]" <javier_gomez@remove.this.engineer.com> wrote in > message news:esNOac5mEHA.3100@TK2MSFTNGP10.phx.gbl... >> Hi! >> >> 1) As you said some ISP require authentication to send mail using their >> smarthosts. If thats your case, go to-> Exchange System Manager-> >> Connectors-> right-click SMTP Connector-> Properties-> Advanced tab-> >> Outbound Security-> Enter the stuff for your ISP. >> >> 2) Do not do that. This is the hostname that will appear on the >> Exchange's >> "greeting"... it should match the FQDN of your server (preferably your MX >> record). Although, this is much more important when you are using DNS >> than >> when using a Smarthost. >> >> 3) What Andrew said. The article that I mentioned >> (http://www.sbslinks.com/DNS_Smarthost.htm) has a section on that subject >> titled "Smarthost for specific domains" which outlines the procedure. On >> a >> personal note... I find that using a Smarthost for all domains is a far >> better choice (in most cases). >> >> -- >> Javier [SBS MVP] >> >> << SBS ROCKS !!! >> >> >> "Andrew M. Saucci, Jr." <spam-only@2000computer.com> wrote in message >> news:OuKMxV4mEHA.3396@tk2msftngp13.phx.gbl... >> > To answer the third question-- yes, you can use a smarthost >> > for >> > just the problem domains and straight DNS for everything else. That can >> > get >> > problematical if the problem domains are numerous and important, but I >> > actually did that at one client. I split AOL into its own SMTP >> > connector >> > using the cable company's smart host and left everything else with DNS. >> > The >> > smarthost queue kept getting stuck and then NO mail went out. At least >> > with >> > AOL by itself, if the AOL queue got stuck, only AOL mail was stuck. The >> > better solution would be to ditch the cable company and get a real ISP >> > with >> > a static IP, but the client didn't want to do that. >> > >> > >> > "Gary Karasik" <gkarasik2fea.net> wrote in message >> > news:OakGjN3mEHA.648@tk2msftngp13.phx.gbl... >> >> Thanks, Javier, >> >> >> >> Followup question: >> >> >> >> 1) I see in the NG discussions of using SmartHost references to >> >> "authentication." I take this to mean that the SmartHost ISP might >> >> require >> >> authentication establishing that you are their customer and are >> >> authorized >> >> to use their mail servers to send mail. If I'm correct, then where in > the >> >> configuration do you put this authentication? >> >> >> >> 2) After clicking the Advanced tab, there is one space labeled "Fully >> >> qualified domain name [Check DNS]" and one labeled "Smart Host." Do I >> > remove >> >> the entry from "Fully qualified domain name [Check DNS] if I'm going >> >> to >> > use >> >> Smart Host?" >> >> >> >> 3) I think you cover this, but just for clarification: Is this an >> >> all-or-nothing procedure. IOW, what if email is being rejected by a >> >> particular domain. Can you set up a SmartHost just for mail for that >> > domain? >> >> >> >> GaryK >> >> >> >> "Javier Gomez [SBS MVP]" <javier_gomez@REMOVE.THIS.engineer.com> wrote > in >> >> message news:%23qENON1mEHA.2892@TK2MSFTNGP10.phx.gbl... >> >> > Hi Gary! >> >> > >> >> > Sending mail thru a smarthost is very simple. I use it on most of my >> >> > clients. >> >> > >> >> > Take a look at this article... >> >> > http://www.sbslinks.com/DNS_Smarthost.htm >> >> > If you still have questions, post back. >> >> > >> >> > -- >> >> > Javier [SBS MVP] >> >> > >> >> > << SBS ROCKS!!! >> >> >> > >> >> > "Gary Karasik" <gkarasik2fea.net> wrote in message >> >> > news:Od0YhE1mEHA.3756@TK2MSFTNGP11.phx.gbl... >> >> >> Hi, >> >> >> >> >> >> I've been reading about sending email via "smart host." >> >> >> >> >> >> Has anybody done this? >> >> >> >> >> >> Is it easy to set up? >> >> >> >> >> >> I've looked at the KB "How to" about it, but it's a bit sketchy. >> >> >> >> >> >> GaryK >> >> >> >> >> > >> >> > >> >> >> >> >> > >> > >> >> > >
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- In reply to: Andrew M. Saucci, Jr.: "Re: smart host smtp?"
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