Re: Outbound Mail

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I followed the link on the error message, and just as you suggested, the IP
address was blacklisted. I had to follow a few steps, but it is finally ok.
Thanks so much for your help.

"Lanwench [MVP - Exchange]" wrote:

Marie <Marie@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
Sorry...I should have given more information. I have Windows 2003
Server R2 SP2 and Exchange 5.5.7.

Hmmm...it actually looks to me like you're using Exchange 2003.

We are not using internet mail,
Exchange handles all our mail. I wasn't sure if I was supposed to use
my real IP address, etc. so I did mask it. Our domain name is
empressems.com

OK.....that helps. Note that mail2.empressems.com (your secondary MX
record) doesn't seem to be listening/answering.

and we use Network Solutions for as our email
provider,

Ah. See, that's where this gets confusing. When you write that, it sounds
like you *aren't* using Exchange for your e-mail. If they're your domain
registrar, and/or host your DNS, that's fine, but is'nt going to be relevant
here. You don't have an e-mail provider - you've got your own mail server.


but I have configured the DNS of the domain to use our
exchange server.

I have the IP pointing to 155.212.91.130.

Just another terminology clarification - you mean the A record
mail.empressems.com specifiesthat IP address. That A record is what you use
as your primary MX record.

The error
message is:
You do not have permission to send to this recipient. For assistance,
contact your system administrator.
<APPSRV2.empressems.com #5.7.1 smtp;554 5.7.1
Service unavailable; Client host [155.212.91.130] blocked using
zen.dotrbl; http://www.spamhaus.org/query/bl?ip=155.212.91.130>
I don't see how we could be blacklisted when I just added the IP
address yesterday.

It could well have been on the blacklist before you got it. You never know
who used it, and for what purpose.

Check out http://www.spamhaus.org/pbl/query/PBL050398 - you can request that
it be removed.


In answer to D303M, we always used our Exchange Server to send out
our email with our last T1 provider.

Meaning, you sent out mail directly, and not via a smarthost (e.g.,
forwarding all outbound mail to your ISP's/someone's SMTP server as a
relay).

We still used Network Solutions
prior to switching to the new IP address.

I'm still not sure what you mean by that!

"Marie" wrote:

Hello,
I hope someone can help me. We are using an internet provider for
our email, but we have our own exchange server. We switched our
vendor for our T1 line, so I configured our Advanced DNS settings on
our internet provider's site to our new public email address used
for our email. We are able to receive emails with no problem, but
cannot send any email to any address outside of our network. It
comes back with an error message:
You do not have permission to send to this recipient. For
assistance, contact your system administrator.
<OUREXCHANGESERVER.ourdomainname.com #5.7.1 smtp;554
5.7.1 Service unavailable; Client host [000.000.000.000] blocked
using zen.dotrbl;
http://www.spamhaus.org/query/bl?ip=000.000.000.000>
I was told by our T1 provider that I need to configure our Exchange
Server for outbound email. I wasn't the one who originally set up
the original information, so I don't know where to set up the new IP
information. I would greatly appreciate anyone's help.
Marie




.



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