Re: SMTP Relay Problem
- From: "Rich Matheisen [MVP]" <richnews@xxxxxxxxxxxxxxxxxxxxx>
- Date: Mon, 25 Apr 2005 21:51:02 -0400
lamlam <lamlam@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
>I have one exchange server 2003. I have clients inside and outside the
>company need to use outlook express to receive POP3 email. I can send emails
>to other domain. But it's still in testing environment.
>
>My SMTP virtual server is configured as follows,
>
>Authentication Tab
>1. enable - Anonymous access
>2. enable - Basic authentication
>3. enable - Integrated Windows authentication
>
>Relay Tab
>1. enable - Only the list below option is selected and this list is empty
>2. enable - Allow All Computers Which Successfully Authenticate To Relay,
>Regardless Of The List Above.
>
>Is that anything I need to config to receive the other domain emails.
You should never receive mail for other domains. What you're asking is
"is that all I need to do to allow my SMTP server to relay mail to
other domains?" And the answer is yes.
>To
>receive the other domain emails, is that I need to open the SMTP for open
>relay? I don't want "open relay" is there any solution to solve it ? My
>settings above already prvoide the open relay function or not?
No, the requirement that clients authenticate with the SMTP server
should be sufficient to prevent the use of your server as a rely by
anything that doesn't have a working userid and password in your
Active Directory.
Do be careful that you don't have weak passwords on common accounts
(administrator, webmaster, etc.) and that the guest account is NOT
enabled.
--
Rich Matheisen
MCSE+I, Exchange MVP
MS Exchange FAQ at http://www.swinc.com/resource/exch_faq.htm
.
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- SMTP Relay Problem
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