Error 554 is a generic error message that is accompanied (generally) by a complementary explanatory message.
Some servers are configured to return this error message regardless of the cause of the error.
Variations of error message 554
- 554 5.7.0 Message Size Violation - the size of the email is too large
- 554 5.7.1 Message blocked due to spam content in the message
- 554 5.7.1 [P4Message blocked due to spam content in the message.- ]
- 554 5.7.1 <[email protected]>: Relay access denied - the sender is not properly authenticated
- 554 5.7.9 Message not accepted for policy reasons. - This error occurs because Yahoo cannot verify that the email arrived from a legitimate sender. To avoid such situations Yahoo recommends using the following technologies:
- SPF (Sender Policy Framework)
- DKIM (Domain-Keys Identified Mail)
- DMARC (Domain-based Message Authentication, Reporting and Conformance) - 554 RLY:B1
- 554 delivery error: dd This user doesn't have a ymail.com account
- 554 Denied (Mode: normal)
- 554 Invalid recipient - recipient does not exist
- 554 Malformed mail denied! - is not in the correct format
- 554 Message is not RFC compliant; missing "Date" header - the sent header does not contain data
- 554 Message not allowed - [PH01] Email not accepted for policy reasons. - the mail received from a legitimate sender cannot be verified
- 554 Message permanently rejected - does not allow receiving emails from the sending domain
- 554 Message refused - the message is rejected
- 554 no valid recipients, bye - the recipient does not exist
- 554 rejected due to spam content - is marked as spam content
- 554 rejected due to virus - contains files with viruses
- 554 <[email protected]>: Relay access denied - the sender is not authenticated
- 554 Sorry, no mailbox here by that name. - the recipient's email address does not exist
- 554 Spam detected - is detected as spam
- 554 Spam violation, the content of your e-mail contains illegal characters, re-sent after examination
- 554 Transaction Failed Spam Message not queued.554 Virus found, message permanently rejected (#5.3.0) - the message contains a virus
Troubleshooting error message 554
Check the error message received with the accompanying explanation to identify the problem.
These errors are of bounceback type, which can be hard or soft.
