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Mail to customer bounces with: 5.7.1 Message rejected: 3E-01 (invURLbl)

Article ID: 293

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People sending mail to your 3Essentials domain receive a bounce/reject message indicating the following code: 5.7.1 Message rejected: 3E-01


This indicates that our mail gateway infrastructure rejected the mail for some reason.  Please submit a support request identifying the following information, and our support team will be glad to research and provide you more details as to the exact reason the mail was rejected:

  • sender email address
  • recipient email address
  • date and approximate time mail was sent (at a minimum, the date).
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