This error is commonly seen with mailbox file permissions in cPanel.
If you have a Linux dedicated server, you can fix this problem in root WHM by going to "Email Repair Mailbox permissions" and clicking "Proceed".
If you have a VPS with cPanel, you can fix this problem in root WHM by going to "Email Repair Mailbox permissions" and clicking "Proceed".
If you have a shared hosting plan, you will need to contact us via live chat or by phone at (866) 573-4678 in order to resolve this matter.
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