On 01 Mar 2002 10:53:54 -0500 Mark Weaver <[EMAIL PROTECTED]>
wrote:>
> Another thing that is helpful are the DNS services. They make it
> possible to have a mailserver running on a machine that has a dynamic IP
> address. I've been using one on my home machine now for almost a year.
> It makes things quite nice, although the downside to being accessible is
> that you have to worry about the spammers and such hitting your server.
> Thats where fellow linuxers like Peirre come in and share their magic
> with the rest of us. ;)
Gotta admit, I still get the odd spam message; but I can still count'em on
one hand during any given week...
My "crusade" now is to go after the ISP's who can't get their DNS right to
allow us to get mail from friends because of our tight anti-spam
filters...
For example, here's what rr.com is doing (sent this a few minutes ago :^)
> Looks like your ISP (RoadRunner) doesn't know how to setup their DNS...
>
> The problem is that triad.rr.com is trying to send mail from 24.93.67.51
> which claims to be mail4.triad.rr.com ... yet, when my mailer tries to
> verify this information (an anti-spam feature), RR's DNS reports:
>
> 24.93.67.51 ==> fe4.southeast.rr.com
> fe4.southeast.rr.com ==> 24.93.67.51
> mail4.triad.rr.com ==> 24.93.67.163
> 24.93.67.163 ==> [no "answer section"; "dig -x" hangs]
>
> Not to mention that they have the DNS split between
> {ns1,ns2}.triad.rr.com and {ns1,ns3,ns4}.southeast.rr.com.
>
> Feel free to forward this to RR's support group... unless they fix
> this, many of their customers (like you) will not ba able to deliver
> mail to many locations who have implemented anti-spam features...
Immediately followed up with:
> SIGH! Your mail message got shipped over to a different RR mailer which
> has similar problems... I'm not going to spell out all of RR's
> problems; but you should give them a call and have them fix this before
> it gets out of hand...
I'm far from being a DNS or mailer expert; but I'm getting there despite
my desires to do other things... :^)
Pierre
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