LinuxSA Mailing list archives

  From: Tarek Heiland <tarek@bakas.com.au>
  To  : 'Dan Shearer' <dan@shearer.org>
  Date: Thu, 29 Jun 2000 10:31:15 +0930

RE: Sendmail 8.10.2, CYRUS_SASL to use SMTP AUTH to do remote use r ma il RELAY authorization

unfortunately the end units are out of our control and tunneling is not a
possibility

> -----Original Message-----
> From: Dan Shearer [mailto:dan@shearer.org]
> Sent: Wednesday, 28 June 2000 10:34 PM
> To: Aris Bakas
> Cc: 'linuxsa@linuxsa.org.au'; Aris Bakas; Craig Adams
> Subject: Re: Sendmail 8.10.2, CYRUS_SASL to use SMTP AUTH to do remote
> user ma il RELAY authorization
> 
> 
> On Wed, 28 Jun 2000, Tarek Heiland wrote:
> 
> > Is there anyone out there that has played with the SMTP 
> AUTH feature?
> > 
> > I have an application that requires it for smart RELAY. 
> Currently running
> > Sendmail 8.9 and Cyrus. 
> >  (Basically I wish remote authenticated users connected to 
> unknown networks
> > (e.g other ISP's and not part of our IP ranges) being able 
> to use our email
> > as the send agent without wide open relay settings)). 
> Currently I have to
> > determine remote user details to enable appropriate relay 
> settings (often
> > resulting in loose anti-spam settings), but I would like to 
> have this happen
> > automatically without the potential to become a SPAM relay.
> 
> This is a reasonable way of solving such a problem (no, I'm 
> not an SMTP
> AUTH expert.)
> 
> But if these are users whose environment you control (eg 
> field staff with
> laptops) then an ssh tunnel is a good option. Use ssh -L to redirect a
> local port on the laptop (eg SMTP, IMAP or POP) after it has 
> logged in via
> who-knows-what ISP.
> 
> Dan
> 
> 
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