504 Need Fully Qualified Domain Name???

Hi Experts,

I've seen a few questions about this but all the responses are over my head and don't give an actionable conclusion to solve the issue. Can anyone tell me how to fix this?

Your message did not reach some or all of the intended recipients.

      Subject:      test
      Sent:      11/11/2006 10:48 PM

The following recipient(s) could not be reached:

      'recipient@domain.com' on 11/11/2006 10:48 PM
            504 <TOUCH>: Helo command rejected: need fully-qualified hostname

      'recipient2@domain.com'  on 11/11/2006 10:48 PM
            504 <TOUCH>: Helo command rejected: need fully-qualified hostname


Thanks,

Bean
LVL 1
IndyBeanAsked:
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FrankcoConnect With a Mentor Commented:
Hi

I assume you are using POP3 for Outlook.

What is happening is that your email is being rejected by some of the recipients because the recipient's email server thinks that your email is coming from a fake server, thus it is problably spam.

The administrator who setup the mail server did not create an appropriate configuration profile for the mail server. Specifically the DNS (Domain Name) of the mail server that the mail server thinks that it is servicing is incorrect. The administrator probably used an IP address instead of a qualified domain name.

Contact your ISP and inform them of the problem. They should be able to fix it.

cheer,
frankco
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IndyBeanAuthor Commented:
After talking to our ISP, they wiped our old address and gave us a new one.

It seems to be that the original ISP was bought out and the servers are now being shut down and replaced.
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