Recipient mailbox is not allowed

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Article ID: 175710

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Updated On:

Products

Email Security.cloud

Issue/Introduction

This error indicates that you have sent an email to an invalid address to the recipient’s domain.

  • Recipient mailbox is not allowed

Resolution

Review the email address for any spelling mistakes. If you believe the address is correct or if the problem persists, contact the recipient by other means to ask for further assistance.