This is the mail archive of the
gcc@gcc.gnu.org
mailing list for the GCC project.
Re: Are the GCC lists intended to be open lists?
- From: Joe Buck <jbuck at synopsys dot COM>
- To: joel dot sherrill at oarcorp dot com
- Cc: mrs at windriver dot com (mike stump), gcc at gcc dot gnu dot org,pkoning at equallogic dot com
- Date: Wed, 16 Jan 2002 10:03:18 -0800 (PST)
- Subject: Re: Are the GCC lists intended to be open lists?
Joel Sherrill writes:
> There is another easy way to find your domain on one of these
> blacklists. Some probe your host to ensure that it has the mail
> services properly configured so it is not an open relay. So
> far everytime I have tracked down what was thought to be an
> invalidly blocked domain, it turned out to be an incorrectly
> configured mail server. It has tended to be just after a
> major upgrade or a new server was installed and something
> was just not configured correctly.
Another reason you may find yourself blocked from posting is if you have a
dynamic IP address assigned by a well-known ISP, and you configure your
machine to speak SMTP directly to gcc.gnu.org when mail is delivered to
gcc.gnu.org. That will trigger a block; you need to configure your
mailer to relay through your ISP's SMTP server, which will be set up
to only relay for the ISP's own customers.
The reason is that the vast majority of spam enters the network in just
this way (someone dials up their ISP and just sends it direct), because
it makes the mail almost untraceable.