sending errors

  1. BudVitoff

    Windows 10 Outlook 2016 Mailbox Full?

    Running Outlook 2016 under Windows 10. Everything was running smoothly when all of a sudden a couple of weeks ago, we started getting the error message "554 5.2.2 mailbox full" and we could not send any messages. We discovered that although the system implied that the recipient had the full...
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