Re: [Exim] relay problem

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Autor: Oliver Egginger
Datum:  
To: Gary Ferrer
CC: exim-users
Betreff: Re: [Exim] relay problem
> This
> does not work though.


We work with Exim 3.33 and relaying is workinfg pretty good.

There was a post from Mark Lehrer not long ago.
Go to the archivs and search for
    SMTP Authentication success on Red hat 7.2 w/ PAM
Marks configuration works smoothly with Exim 3.33 and Mandrake.


Only in order to guard against confusion:
As a basic principle every host is allowed to send mail to your mailserver.
Relaying means "to hand down" not "to receive".
Your mailserver relays a mail if he pass it to another one.
Every host which it's specified in 'host_accept_relay' can relay across your
server.

If you like you can do the following:
1. Follow Marks directions to set up a simple cleartext authentication.
2. Define all hosts which should be able to relay directly (without authentification)
in host_accept_relay.
3. Set host_auth_accept_relay = *
4. SIGHUP Exim

If you use SSL you can prevent that the passwords travel as cleartext over the
network (if the client like so).


- oliver


You wrote today:
> I can't figure out how to setup SMTP authentication. My understanding of
> the text is that for a client on the internet to use exim as an SMTP host
> i need to set the 'host_accept_relay' to the domain of the client. This
> does not work though.
>
> Any ideas would be greatly appreciated.