Avensoft Help Desk - Exchange POP3 error: command is invalid in this state

Exchange POP3 error: command is invalid in this state

If you see Exchange POP3 error: command is invalid in this state in the event log, go to your Exchange server and change POP3 Authentication to "Plain Text". That would fix the error.

Article #451

Updated On: 1/25/2011 Index

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