SMTP Code 554

The transaction failed permanently. The server will not try to send the message again.

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Email service providers

iCloudAll iCloud codes →

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smtp;554 5.7.1 <example@icloud.com>: Relay access denied

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OutlookAll Outlook codes →

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smtp;554 5.2.122 The recipient has exceeded their limit for the number of messages they can receive per hour. For more information go to http://go.microsoft.com/fwlink/?LinkId=526653. (#) [outlook.com]

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VerizonAll Verizon codes →

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smtp;554 delivery error: dd This user doesn't have a example.com account (example@example.com) [-9] - example.yahoo.com

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smtp;554 delivery error: dd Sorry, your message to example@example.com cannot be delivered. This mailbox is disabled (554.30). - example.yahoo.com

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smtp;554 delivery error: dd Requested mail action aborted - example.yahoo.com

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smtp;554 5.7.9 Message not accepted for policy reasons. See https://help.yahoo.com/kb/postmaster/SLN7253.html

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smtp;554 Message not allowed - [PH01] Email not accepted for policy reasons. Please visit https://help.yahoo.com/kb/postmaster/SLN5067.html [120]

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smtp;554 Message not allowed - Headers are not RFC compliant[291]

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smtp;554 Message not allowed - [299]

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YandexAll Yandex codes →

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smtp;554 5.7.1 [1] Message rejected under suspicion of SPAM;

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Spam filters services

BarracudaAll Barracuda codes →

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smtp;554 rejected due to spam URL in content

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smtp;554 rejecting banned content

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MimecastAll Mimecast codes →

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smtp;554 Email rejected due to security policies - https://community.mimecast.com/docs/DOC-1369#554 [#]

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ProofpointAll Proofpoint codes →

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smtp;554 5.7.1 <email@example>: Relay access denied

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ZeroSpamAll ZeroSpam codes →

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smtp;554 5.7.1 <email@example.com>: Recipient address rejected: Not in recipient list

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Other SMTP codes