RE: SMTP restrictions


And i'd like to restrict the user to only uses their emails in Exchange 2000. All clients are using Outlook Express.

Example:
If an user authenticate in SMTP, he can send the message using another from email address which is not yours. I'd like to restrict the user to only uses your email.

BTW: In this time forget Digital Certificate / PKI !!!


At 04:49 PM 05/28/2002 -0300, you wrote: 
http://www.MSExchange.org/ - Re-Vamped!


I'm running Exchange 2000.

In fact it is. But i use the same SMTP servers to recieves outbound mails.


At 02:32 PM 05/28/2002 -0500, you wrote: 
http://www.MSExchange.org/ - Re-Vamped!


As in, you want to disallow open relaying?  What version of Exchange are
you working with?

Matt

-----Original Message-----
From: Guido Silva [mailto:guido-listas@xxxxxxxxxxxxx]
Sent: Tuesday, May 28, 2002 2:25 PM
To: [ExchangeList]
Subject: [exchangelist] SMTP restrictions

http://www.MSExchange.org/ - Re-Vamped!


How can i configure SMTP virtual servers to only accept messages if
users
authenticate AND uses a email address that is handled by Exchange.

Example:

Exchange handle this emails domains: xpto.help.com and help.help.com .
When user configures the outlook express , and use the account that
exist in
Active Directory with right password , but the email domain of email
address
is socorro.com , the message is sent without any problems. But i need to
restrict the users to only use emails domains xpto.help.com and
help.help.com however they authenticate.


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