[ale] Dynamic IP and Sendmail

[kaboom at gatech.edu (Chris Ricker)]

On Wed, 21 May 2003, Bradley Leonard wrote:

> Quoting linuxnews at wormfishin.com:
> >
> > I need to be able to send mail through my sendmail server, from a remote 
> > user with a dynamic IP.  Can I somehow assign a hostname to that machine 
> > and put the hostname in the relay file?  If I used dyndns could I make it 
> > do some kind of lookup of the IP to allow access?
> > 
> > I tried searching the archives, but i was getting a server error, is 
> > everyone having this problem?
> 
> I've set up drac on my redhat server.  http://www.ls-l.net/drac/
> I've done some limited testing and it seems to work pretty well.
> 
> Another option would be sendmail authentication via SSL.
> http://www.opensourcedigest.org/issue2/sendmail-auth-howto.html
> I haven't tried this yet, so I don't know how well it works.

SMTP AUTH (with or without SSL) is the best approach for this if your 
clients support it.

later,
chris
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