Mail me offline and I'll send you the page.
It got moved on microsoft.
Is Your Exchange Server Relay-Secure?
Joseph Neubauer
-----Original Message-----
From: Adil Hindistan [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, September 26, 2001 9:08 AM
To: NT System Admin Issues
Subject: RE: Exchange 5.5 & Preventing Mail Relay
Ugh, I can't argue that they are AND! I've read it somewhere at Technet and
applied it about a year ago. No more complaints since then.
BTW, below is a way of testing if yo are relay-secure
1. Telnet with a Client to your Server on port 25
2. type: helo localhost (or the domain from which you want to 'send')
3. type: mail from: [EMAIL PROTECTED]
4. type: rcpt to: [EMAIL PROTECTED]
5. type: data
6: type: From: Whatever
7. type: To: Jan
8: type: Subject: Bla Bla Bla
9. Space
10. type your message
11. type: . to send the message
Regards,
Adil Hindistan
ICQ: 26477783
-----Original Message-----
From: Geoff Waycik [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, September 26, 2001 4:00 PM
To: NT System Admin Issues
Subject: RE: Exchange 5.5 & Preventing Mail Relay
The "1-" and "2-" are treated as OR rather than AND.
-----Original Message-----
From: Adil Hindistan [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, September 26, 2001 8:45 AM
To: NT System Admin Issues
Subject: RE: Exchange 5.5 & Preventing Mail Relay
Hi,
I had gone through the same hassle of reading everything and came up with
the following to resolve the issue:
- In the MS Exchange Administrator, open CONNECTIONS > INTERNET MAIL SERVICE
properties
- In the ROUTING Tab, choose "Reroute incoming SMTP mail (Required for
POP3/SMTP)
- if not already added, add you domains to the list in the form of xyz.com
- Click the Routing Restrictions and select the two checkboxes at the top,
namely:
1- Hosts and clients that successfully authenticate &
2- Hosts and Clients with these IP addresses
That's it. You may ask why you dont put any IP address. Ugh, I just don't
remember what was the reason but I am 100% sure that this was a trick to do
it right!
Adil Hindistan
ICQ:26477783
-----Original Message-----
From: Abercrombie, Sherry [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, September 26, 2001 3:15 PM
To: NT System Admin Issues
Subject: Exchange 5.5 & Preventing Mail Relay
Hi all,
I've got a situation that I need to resolve & would like to do it without
having to call MS :)
I have Exchange 5.5 sp 4 (NT 4.0 sp 6), that has routing enabled for
POP3/IMAP4 support. I have gone through every MS Tech Net article that I
can find on how to setup Exchange to not relay mail and have not been able
to get it setup correctly. Right now there is an outsourced Linux box in
front of the Exchange server that checks for mail being relayed. My
organization wants to get rid of that box because we are paying a monthly
fee for it that should be unnecessary because Exchange is supposed to be
able to do this.
If anyone has any input/experience/advice on this I would really appreciate
it.
Sherry Abercrombie
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