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sending errors

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Discussions tagged with 'sending errors' on WindowsForum.com focus on troubleshooting email delivery failures in Microsoft Outlook 2016 on Windows 10. A recurring issue involves the '554 5.2.2 mailbox full' error, which may incorrectly indicate the recipient's mailbox is full when the problem actually originates from the sender's own system. Users report that trimming mailbox sizes and emptying the Recycle Bin do not always resolve the error, suggesting that server-side retention policies for deleted items can affect available space. These threads explore diagnostic steps and server configurations to identify the true cause of send failures.
  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...
    • BudVitoff
    • Thread
    • email issues error mailbox outlook recycle bin sending errors server configuration storage troubleshooting windows 10
    • Replies: 1
    • Forum: Windows Help and Support
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