I have Exchange 2016 installed and configured correctly , however emails are not going out or coming through, the exchange analyser shows the below that the test is succecefully passed.
any suggestions why ?
thank you
Testing inbound SMTP mail flow for domain 'hassan@attcomputer.com'.
Inbound SMTP mail flow was verified successfully.
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Additional Details
Elapsed Time: 10882 ms.
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Test Steps
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Attempting to retrieve DNS MX records for domain 'attcomputer.com'.
One or more MX records were successfully retrieved from DNS.
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Additional Details
MX Records Host mail.attcomputer.com, Preference 10
Elapsed Time: 76 ms.
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Testing Mail Exchanger mail.attcomputer.com.
This Mail Exchanger was tested successfully.
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Additional Details
Elapsed Time: 10806 ms.
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Test Steps
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Attempting to resolve the host name mail.attcomputer.com in DNS.
The host name resolved successfully.
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Additional Details
IP addresses returned: 84.31.53.126
Elapsed Time: 4853 ms.
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Testing TCP port 25 on host mail.attcomputer.com to ensure it's listening and open.
The port was opened successfully.
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Additional Details
Banner received: 220 DC02.attcomputer.com Microsoft ESMTP MAIL Service ready at Sun, 19 Jun 2016 03:13:59 +0200
Elapsed Time: 208 ms.
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Analyzing SMTP Capabilities for server mail.attcomputer.com:25
Attempting to send a test email message to admin@attcomputer.com using MX mail.attcomputer.com.
The test email message was delivered successfully.
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Additional Details
Elapsed Time: 537 ms.
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Testing the MX mail.attcomputer.com for open relay by trying to relay to user Admin@TestExchangeConnectivity.com.
The Open Relay test passed. This MX isn't an open relay.
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Additional Details
The open relay test message delivery failed, which is a good thing.
The exception detail:
Exception details:
Message: Mailbox unavailable. The server response was: 5.7.54 SMTP; Unable to relay recipient in non-accepted domain
Type: System.Net.Mail.SmtpFailedRecipientException
Stack trace:
at System.Net.Mail.SmtpTransport.SendMail(MailAddress sender, MailAddressCollection recipients, String deliveryNotify, Boolean allowUnicode, SmtpFailedRecipientException& exception)
at System.Net.Mail.SmtpClient.Send(MailMessage message)
at Microsoft.Exchange.Tools.ExRca.Tests.SmtpOpenRelayTest.PerformTestReally()
Elapsed Time: 5071 ms.
the outgoing mail report is
Checking Block List "SORBS Block List"
The IP address was found on block list.
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Additional Details
The IP address 84.31.53.126 was found on the block list.
Status code: 10
