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554 Denied Message

554 Denied (XXXX): This message text refers to administrative blocking based on mail tactic patterns.

  • 554 Denied - Denied for Spam Content
  • 554 Denied (CS) - Denied for Spam Content If you believe this to be a legitimate message erroneously caught as spam, check the content of the message for any phrases that could be interpreted as spam – pornography, offers, non-prescription pharmaceuticals, etc.

If you believe that the message is legitimate and should be delivered, contact the recipient and let them know what you are seeing and request that they Whitelist / Allow your sending address.

  • 554 Denied (IPR) - Denied for high spam content of sending IP address
  • 554 Denied (CIPR) - Denied for high spam content of sending IP address

IPR/CIPR denials are based on the internally calculated reputation score of a single IP.

If you are receiving one of these errors, please contact the recipient of the message and ask them to open a service request with Mailscreen Support concerning the error.