RE: Relay Nightmare
- From: "Steve Moffat" <steve@xxxxxxxxxx>
- To: "[ExchangeList]" <exchangelist@xxxxxxxxxxxxx>
- Date: Mon, 27 Sep 2004 17:48:51 -0300
That's not how you do it....you use you domain email address and see if
you can relay to other mail addresses.
Steve
-----Original Message-----
From: Craig Weil [mailto:craig_weil@xxxxxxxxxxx]
Sent: Monday, September 27, 2004 5:36 PM
To: [ExchangeList]
Subject: [exchangelist] RE: Relay Nightmare
http://www.MSExchange.org/
Hi Tom,
Here are the results, and thanks a ton for your assistance!
OK, connected to ##.###.###.###...
< 220 exchange.blahblah.org Microsoft ESMTP MAIL Service, Version:
5.0.2195.6713 ready at Mon, 27 Sep 2004 13:32:00 -0700
>HELO edit.dnsvr.com
< 250 exchange.blahblah.org Hello [69.72.176.182]
>MAIL FROM:<craig_weil@xxxxxxxxxxx>
< 250 2.1.0 craig_weil@xxxxxxxxxxxxxxxxxxxxx OK
>RCPT TO:<it_mhz@xxxxxxxxxxx>
< 550 5.7.1 Unable to relay for it_mhz@xxxxxxxxxxx
>From: "Thomas W Shinder" <tshinder@xxxxxxxxxxx>
>Reply-To: "[ExchangeList]" <exchangelist@xxxxxxxxxxxxx>
>To: "[ExchangeList]" <exchangelist@xxxxxxxxxxxxx>
>Subject: [exchangelist] RE: Relay Nightmare
>Date: Mon, 27 Sep 2004 13:18:14 -0500
>
>http://www.MSExchange.org/
>
>Hi Craig,
>
>Run this http://www.zoneedit.com/smtp.html
>
>And let us know what is says.
>
>HTH,
>Tom
>www.isaserver.org/shinder <http://www.isaserver.org/shinder>
>Get the book!
>Tom and Deb Shinder's Configuring ISA Server 2004
>http://tinyurl.com/3xqb7 <http://tinyurl.com/3xqb7> MVP -- ISA
>Firewalls
>
> -----Original Message-----
> From: Craig_Weil [mailto:craig_weil@xxxxxxxxxxx]
> Sent: Monday, September 27, 2004 1:11 PM
> To: [ExchangeList]
> Subject: [exchangelist] RE: Relay Nightmare
>
>
> http://www.MSExchange.org/
>
> Hi there Tom,
>
> Yeah, that was one of my initial thoughts too. I ran Ethereal
on the
>mail server and filtered by port 25. The packets I captured would
>display the originating and destination email addresses and I then
>verified that they were being queued by using the Message Tracking
>portion of System Manager. All IP addresses referenced in the packets
>were from outside sources. It has me stumped!
>
> Craig
>
> ----- Original Message -----
> From: Thomas W Shinder <mailto:tshinder@xxxxxxxxxxx>
> To: [ExchangeList] <mailto:exchangelist@xxxxxxxxxxxxx>
> Sent: Saturday, September 25, 2004 9:54 PM
> Subject: [exchangelist] RE: Relay Nightmare
>
> http://www.MSExchange.org/
>
> Hi Craig,
>
> Do a NetMon trace and identify the source IP address of
the relayed
>spam. It could be that your users are infected with a spam generator
>and the spammer is leveraging their authenticated connections.
>
> HTH,
> Tom
> www.isaserver.org/shinder
><http://www.isaserver.org/shinder>
> Get the book!
> Tom and Deb Shinder's Configuring ISA Server 2004
> http://tinyurl.com/3xqb7 <http://tinyurl.com/3xqb7>
> MVP -- ISA Firewalls
>
> -----Original Message-----
> From: Craig_Weil [mailto:craig_weil@xxxxxxxxxxx]
>
> Sent: Friday, September 24, 2004 2:02 PM
> To: [ExchangeList]
> Subject: [exchangelist] Relay Nightmare
>
>
> http://www.MSExchange.org/
>
> Running Exchange 2000, default settings for the
smtp virtual
>server... (Anonymous Access - so we can receive outside email, Basic
>Authentication, Integrated Windows Authentication all checked, Relay
>restrictions set to "Only the list below" which is empty and "Allow all
>computers which successfully authenticate to relay..."
>checked so that employees can send mail while connected to another ISP,
>Outbound Security options set as default - Anonymous Access checked)
> My server is STILL relaying mail. I can look in
any number of
>queues and it's like a clearing house for spam.
>
> Any ideas?
>
> Much appreciation!
>
> Craig
>
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s
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