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You may encounter a "Forbidden operation" or "ErrorQuotaExceeded" error message when trying to send out an email. This is likely caused when one of the connected mailboxes is full.
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To resolve this, you will need to clear the inbox in your primary email client (e.g. Outlook, gmailGmail).
Alternatively, you can prevent this by setting up a Retention Policy to prevent the inboxes from getting full.
If the above solutions don't help, please don't hesitate to contact the platform's support for further assistance at support@shipfix.com.