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The RETR command did not succeed. Error retrieving a messsage .Mail server outlook.office365.com responded:Server Unavailable.21

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  • Last reply by david

srikanthkg19
srikanthkg19
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While opening thunder bird this below error " The RETR command did not succeed " coming so user not able to work please suggest



The RETR command did not succeed. Error retrieving a messsage .Mail server outlook.office365.com responded:Server Unavailable.21

While opening thunder bird this below error " The RETR command did not succeed " coming so user not able to work please suggest The RETR command did not succeed. Error retrieving a messsage .Mail server outlook.office365.com responded:Server Unavailable.21

All Replies (1)

david
david
  • Top 10 Contributor
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I think this is a server error. Try logging on to web account and check to see if any malformed messaged are there and delete them.

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