I have SMTP-AUTH set on my server, and it will not allow emails coming from
Comcast unless the IP address is in the "relay from" setting.
> -----Original Message-----
> From: Larry Smith [mailto:lesmith (at mark) ecsis.net]
> Sent: Friday, February 01, 2008 7:24 AM
> To: coba-e (at mark) bluequartz.org
> Subject: [coba-e:11863] Re: Relay Problems.
>
> On Thursday 31 January 2008 22:47, Darrell D. Mobley wrote:
> > > -----Original Message-----
> > > From: Michael Stauber [mailto:bq (at mark) solarspeed.net]
> > > Sent: Thursday, January 31, 2008 9:18 PM
> > > To: coba-e (at mark) bluequartz.org
> > > Subject: [coba-e:11860] Re: Relay Problems.
> > >
> > > Hi William,
> > >
> > > > So how would I relay e-mail through his domain name that I am
> hosting
> > > > on my server without having to list his IP each time?
> > > >
> > > > Is there a "relay after POP" option in BlueQuartz?
> > >
> > > In the GUI interface see "Server Management" / "Network Services" /
> > > "Email".
> > >
> > > That page has a "Basic" and an "Advanced" tab.
> > >
> > > In the "Advanced" tab you find a checkbox for "POP Authenticated
> > > Relaying",
> > > which is what you're asking for.
> > >
> > > But rather use "Enable SMTP Auth" (see the "Basic" tab). When "Enable
> > > SMTP Auth" is checked, email is relayed if the user athenticates
> against
> > > the SMTP
> > > server with a valid username and password. All email clients support
> that
> > > method and it works considerably better than "POP Authenticated
> > > Relaying", which is just a dirty hack anyway.
> > > --
> > > With best regards,
> > >
> > > Michael Stauber
> > >
> > One point on the use of this: If you use RBL's and the user is on a
> dynamic
> > block, there is a good chance the mail won't get through even using the
> > recommendations Michael made. I am on Comcast, and because it is in the
> > block of dynamically assigned IPs, some RBL's won't allow my mail
> through
> > unless I list the Comcast IP in the relay for this IP settings.
> >
>
> Actually I believe the SMTP-AUTH (which uses the submit.cf configuration
> from /etc/mail) bypasses this (rbl check) and will allow any
> _authenticated_
> IP to send.
>
> --
> Larry Smith
> SysAd ECSIS.NET
> sysad (at mark) ecsis.net