[PLUG] Sendmail Configuration
Kenneth G. Stephens
kens at cad2cam.com
Sat Feb 12 18:27:39 UTC 2005
On Sat, 2005-02-12 at 10:02 -0800, Paul Heinlein wrote:
> On Sat, 12 Feb 2005, Kenneth G. Stephens wrote:
>
> > I have been getting postmaster messages saying I am relaying so SPAM.
> > How do I check my configuration at may mail server; mail.cadtocam.com?
>
> I suspect that the postmaster messages are due to a) spammers sending
> out messages with (forged) cadtocam.com From: headers, which leads to
> b) remote sites bouncing those messages (erroneously) back to your
> server.
>
> In any event, mail.cadtocam.com doesn't allow relaying:
>
> [heinlein]$ telnet mail.cadtocam.com 25
> Trying 216.99.217.169...
> Connected to mail.cadtocam.com.
> Escape character is '^]'.
> 220 mail.cadtocam.com ESMTP Sendmail 8.13.1/8.13.1; Sat, 12 Feb 2005
> 09:58:08 -0800
> ehlo client.comcast.net
> 250-mail.cadtocam.com Hello c-24-22-105-76.client.comcast.net
> [24.22.105.76], pleased to meet you
> 250-ENHANCEDSTATUSCODES
> 250-PIPELINING
> 250-8BITMIME
> 250-SIZE
> 250-DSN
> 250-ETRN
> 250-AUTH DIGEST-MD5 CRAM-MD5
> 250-DELIVERBY
> 250 HELP
> mail from: <heinlein at cse.ogi.edu>
> 250 2.1.0 <heinlein at cse.ogi.edu>... Sender ok
> rcpt to: <heinlein at madboa.com>
> 550 5.7.1 <heinlein at madboa.com>... Relaying denied
>
> -- Paul Heinlein <heinlein at madboa.com>
Thanks, I was a little leary of sending the request, but I did get the
answer I needed. I suspected that they were phoneys.
--
Ken Stephens
CAD 2 CAM
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