Re: Automatic email relay agent?

["Hongwei Li" <hongwei wustl edu>]

> Am Mi, den 30.11.2005 schrieb Hongwei Li um 20:40:
>
>> Is there any program that can function as "automatic email relay" agent?
>> Basically, I stop all email relay in my fc3 and fc4 systems and allow only
>> some ip address range to relay emails.  This way, my users in our subnet and
>> some users at home (who's ip addresses are known) can use outlook etc. to
>> send
>> emails.  The problem is that sometimes, some users travel to other cities
>> and
>> they still want to use outlook to send emails.  Since I don't know thoses ip
>> addresses, they will get "email relay error".
>
>> Hongwei Li
>
> Setup SMTP AUTH - that is the only reliable route to go.
>
> Alexander

Could you tell how to setup it?  Thanks a lot!

Hongwei