Re: error "5.5.0 smtp;550 relaying prohibited " but only when sending to earthlink?
From: Fitz Crittle [MSFT] (fitzcrit_at_online.microsoft.com)
Date: 03/31/04
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Date: Wed, 31 Mar 2004 17:44:26 -0600
If you are using DNS to resolve host names the following test will tell what
records your DNS queries are returning.
Go to a command prompt and type the following
=================================
1. c:\>nslookup [enter] You should get your default DNS server name and IP
address.
2. >set type=mx [enter]
3. >mindspring.com
What you should get back are the MX records and Host (A) records. Ultimately
Exchange needs the IP address in order to send the message. MX records point
the fully qualified domain name an the A records point to the IP address.
See the example output below.
mindspring.com MX preference = 5, mail exchanger = mx12.mindspring.com
mindspring.com MX preference = 5, mail exchanger = mx13.mindspring.com
mx12.mindspring.com internet address = 207.69.200.17
mx13.mindspring.com internet address = 207.69.200.154
Thanks,
Fitz Crittle
This posting is provided "AS IS" with no warranties, and confers no rights.
Please do not send email to this address, post a reply to this newsgroup
"Gary Massengale" <garym_jnospam@hotmail.com> wrote in message
news:Ocgzzy2FEHA.1344@TK2MSFTNGP12.phx.gbl...
> We have Windows 2000 server, running exchange 2000.
> When I try to send to an earthlink or mindspring account I get the
following
> return:
>
> user@mindspring.com on 3/30/2004 11:09 AM
> There was a SMTP communication problem with the recipient's email server.
> Please contact your system administrator.
> <mail.ourserver.com #5.5.0 smtp;550 relaying to user@mindspring.com>
> prohibited by administrator
>
>
>
> But I only get this from earthlink accounts. I spoke to their tech
support,
> and they initially told me we were listed as spam, I was given a number
for
> their spam abuse desk and left a message, several days later they call me
> back and tell me that I am sending to an A record instead of MX, or I had
a
> problem with DNS.
> When I explained that I dont believe this is true, as I can send to every
> other domain in the world, he said if I could prove the problem was not my
> exchange server trying to send to the A record that I would have to call
> microsoft, as it was their problem.
>
> So how can I verify this? What do I need to do to show that I am sending
to
> the A record and not the MX?
>
> Am I alone in this, or is anybody else getting this right now?
>
>
> gary
>
>
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