On Mon, 2 Dec 2002, Jim Streit wrote:
*snip: what he's trying to accomplish*
> My question, how do I setup my sendmail server to only allow
> authenticated users to be able to send mail thru my server, and not make
> the server an open relay. (Like an ISP)
> I've searched Yahoo and a sendmail book, but I haven't really found what
> I'm looking for.  (I don't know if I've been using the correct
> terminology, so far i've been looking for things like - client smtp
> authentication relay ...) Does anyone know how to do what I'm to do, or
> can point me in the right direction.

 I think what you're looking for is SASL, Simple Authentication and 
Security Layer.  I'm not sure what distro/release you're using, but it 
looks like RedHat's included SASL in their sendmail RPMs since at least 
7.2, which is nice, because I've had to patch the one from 6.2.
 Here's the URL that got me started with SASL:


 Hopefully this is what you needed.