Re: [courier-users] Filtering question ...

This is a MIME GnuPG-signed message. If you see this text, it means that
your E-mail or Usenet software does not support MIME signed messages.

--=_mimegpg-commodore.email-scan.com-11732-1117806586-0001
Content-Type: text/plain; format=flowed; charset="US-ASCII"
Content-Disposition: inline
Content-Transfer-Encoding: 7bit

Thomas von Hassel writes:

> Ok, let me se if i can explain this:
>
> This is my setup:
>
> internet ----> filtering server ----> mail server (courier)
>
> I want to stop mail from going directly to the mailserver. Some
> viuses apperantly do something like this
>
> take xxx@domain.com and try deliver it firectly to
> [pop3,mail,etc].domain.com
>
> Under other cirumstances i could just firewall the mailserver to onyl
> accept incomming mail from the filter, but this server is also in use
> as an outgoing smtp relay for my customers. Now, how do i filter/
> ristrict my mail flow, so that mail from the filter and mail from my
> clients for relay get acceptet, but mail from the outside to the
> domains hosted on the mail server get's bounced, or redirected to the
> filter ?

Configure the mail server to require SMTP authentication for all
connections. Set up a userid and a password for the filtering server to use
to deliver mail.


--=_mimegpg-commodore.email-scan.com-11732-1117806586-0001
Content-Type: application/pgp-signature
Content-Transfer-Encoding: 7bit

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.2.4 (GNU/Linux)

iD8DBQBCoF/6x9p3GYHlUOIRAubPAJ9QU26SMOrMj6kuBkmhRGTGlXaF7wCeL vil
sa8gvICdMVIRG10c4TU07aA=
=+4BD
-----END PGP SIGNATURE-----

--=_mimegpg-commodore.email-scan.com-11732-1117806586-0001--


-------------------------------------------------------
This SF.Net email is sponsored by Yahoo.
Introducing Yahoo! Search Developer Network - Create apps using Yahoo!
Search APIs Find out how you can build Yahoo! directly into your own
Applications - visit http://developer.yahoo.net/?fr=offad-ysdn-ostg-q22005
_______________________________________________
courier-users mailing list
courier-users@lists.sourceforge.net
Unsubscribe: https://lists.sourceforge.net/lists/.../courier-users