[lug] Sendmail Relay only for users

[Hugh Brown]

look into SMTP AUTH.  It forces the users to authenticate before being able
to relay.  Everyone else is denied unless they are specifically allowed in
the /etc/mail/access file.

http://www.sendmail.org/~ca/email/auth.html

Hugh


"Greg Horne"
> 
> I need help, all the tutorial sites on the internet expect you to
> already know what you are doing.  They are no help.  My question:
> 
> Is there a way to allow sendmail to only relay e-mail if it is from an
> account on the system?  Here is why I need to know this...
> 
> A bunch of people use my sendmail server for e-mail, and just about
> all of them use outlook.  They are all on different services like AOL,
> DSL, and other dialups.
> 
> Right now sendmail is in promiscuous relay mode, which is the way I
> was able to allow people to use my smtp from anywhere.
> 
> So. . .Is there a method to only allowing people that have an account
> on the system running sendmail to relay?  If so, how would this be
> accomplished.
> 
> Thanks,
> Greg
> 
> - - -
> Greg Horne
>