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Old 06-04-2007, 02:05 PM   #1 (permalink)
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Default Unable to send mail to some domains

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Hello.
I have set up BES running on windows 2003 server and Exchange 2003. Am able to recieve mails from all domains but when I send to some domains, it doesn't go. after a while I get the following error messages "There was a smtp cmmunuication problem with the recipient's email server.#5.5.0smtp;550 "the recipient cannot be verified. "
When I send the mail from gmail to the same recipient, it goes. What could be the problem pls?

Could it be a dns problem?
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Old 06-08-2007, 08:20 AM   #2 (permalink)
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Sounds like a DNS problem ... Microsoft KB Article 300171 - You are unable to send or receive SMTP messages from certain Internet domains in Exchange 2000 Server, in Exchange Server 2003, and in Small Business Server 2003
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Old 06-08-2007, 09:18 AM   #3 (permalink)
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In addition to the MX record, do you have a PTR record setup as well? Many mailservers won't accept your mail if they can't do a reverse lookup via PTR.
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Old 06-10-2007, 06:36 AM   #4 (permalink)
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I Admin for 4 websites and I can't get my "Domain" mail on my Pearl...what's up w/ that? thx
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Old 06-10-2007, 09:45 PM   #5 (permalink)
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Post your question in a new thread ... and explain your question more.
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