0x8004210A - The operation timed out.

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Error Message - The operation timed out waiting for a response from the receiving (POP) server 0x8004210a. A time-out occurred while communicating with the server 0x800ccc19

 

Troubleshooting -

  • Disable email scanning in Anti-Virus program
  • Disable Firewall on system. If Outlook works with Firewall off refer them to the company of Firewall software.
  • Move any emails with large attachments on the web application to another folder and try popping the email again
  • Increase the server timeout
  • Run Telnet to see if there is a port being blocked
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