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Thunderbird by POP doesn´t syn with Microsoft server

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  • Last reply by Miguel

Miguel
Miguel
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Today, Thunderbird is not syncing with the Office server. Accounts configured as POP. This happens to all accounts on all computers.

The RETR command was not completed successfully. Error retrieving the message. The mail server outlook.office365.com responded: Server Unavailable. 21

Today, Thunderbird is not syncing with the Office server. Accounts configured as POP. This happens to all accounts on all computers. The RETR command was not completed successfully. Error retrieving the message. The mail server outlook.office365.com responded: Server Unavailable. 21

Chosen solution

After 24h, It seems that everything is working again. I suppose Microsoft has fixed its error. Thanks

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Miguel
Miguel Question owner
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Chosen Solution

After 24h, It seems that everything is working again. I suppose Microsoft has fixed its error. Thanks

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