[NTLUG:Discuss] Preventing Sendmail from being used for Phishing:Answer

[Paul Ingendorf]

Might check out another little script called popaccess it allows for pop
authentication before relaying.  Also if you feel adventurous there are a
few tutorials on getting postfix up and running with tells and
authentication.

-----Original Message-----
From: discuss-bounces at ntlug.org [mailto:discuss-bounces at ntlug.org]On
Behalf Of Jerry Brillowski - LNX Technologies
Sent: Wednesday, March 30, 2005 2:53 PM
To: steve at j2eeguys.com; 'NTLUG Discussion List'
Subject: RE: [NTLUG:Discuss] Preventing Sendmail from being used for
Phishing:Answer



Thanks for all the reply's.

The answer turned out to be quite simple.  There is a file in /etc/mail
called "relay-domains".  By default, Sendmail adds each new domain that
you set up to this file.  There is some way that you can disable its
use, but I think it is more than just a change in a config file.  So the
simplest way for me was to just comment out (or delete) the domain names
from this relay-domains file.

The current version of Sendmail is said to have this "feature" turned
off by default.

Comments still welcome.

Thanks again,

Jerry Brillowski


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