You can set your Relay Settings in 5.x or higher to Relay For Addresses
then allow your users to use SMTP Authentication to send mail through
your server. Other servers will still have no problem sending mail to
local users.
Dusty
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]On Behalf Of Dermot Keenan
> Sent: Tuesday, December 21, 1999 1:05 PM
> To: [EMAIL PROTECTED]
> Subject: [IMail Forum] Who is using our SMTP server?
>
>
> How can I tell which of our users are using our SMTP server to
> send mail as opposed to their own ISP's mail server? I can see
> in the logs when connections are made to the server but I don't
> know how to differentiate between:
> 1) a user directly connecting from there mail client
> and
> 2) mail being relayed from another mail server
>
> I would like to enforce user authentication for those who want to
> send from our server. Does this affect other mail servers
> connecting to our server with mail for our users?
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