Quick troubleshooting view
The SMTP server refuses the message because the address of sender does not match the rights of the authenticated account.
- From different from the authorized account
- Alias not authorised
- WordPress plugin using a wrong address From
- Compare SMTP and From account
- Control the alias
- Control the application
- Align the From address with authorized account
- Set the Alias/delegation correctly
- Fix plugin or the application of sending
Contextual technician plan
Check the address used for the message, authentication and sender.
“Compare SMTP and From account” should produce an observation that clearly confirms or rules out “From different from the authorized account”.
If the observation is normal, lower “From different from the authorized account” in the ranking and continue with the next distinct check.
If the observation is abnormal, keep the evidence and investigate “From different from the authorized account” first. Related action: Align the From address with authorized account.
Check that the From address is allowed as alias or delegation.
“Control the alias” should produce an observation that clearly confirms or rules out “Alias not authorised”.
If the observation is normal, lower “Alias not authorised” in the ranking and continue with the next distinct check.
If the observation is abnormal, keep the evidence and investigate “Alias not authorised” first. Related action: Set the Alias/delegation correctly.
In WordPress or software, check the, address of forced sender.
“Control the application” should produce an observation that clearly confirms or rules out “WordPress plugin using a wrong address From”.
If the observation is normal, lower “WordPress plugin using a wrong address From” in the ranking and continue with the next distinct check.
If the observation is abnormal, keep the evidence and investigate “WordPress plugin using a wrong address From” first. Related action: Fix plugin or the application of sending.
Enter the exact code and the server that returns it.
“Read the SMTP newspaper” should produce an observation that clearly confirms or rules out “Supplier Policy SMTP”.
If the observation is normal, lower “Supplier Policy SMTP” in the ranking and continue with the next distinct check.
If the observation is abnormal, keep the evidence and investigate “Supplier Policy SMTP” first.
Repeat the same validation test after the correction and confirm the original symptom is gone. Validate stability before closing the incident.
Before changing configuration, record the current value and a way back.
Please ecstasy to the supplier if the address is correctly authorized but always refused.
The SMTP server refuses the message because the address of sender does not match the rights of the authenticated account.
Causes probables
- From different from the authorized account
- Alias not authorised
- WordPress plugin using a wrong address From
- Supplier Policy SMTP
Diagnostic étape par étape
- 1
Compare SMTP and From account
Check the address used for the message, authentication and sender.
- 2
Control the alias
Check that the From address is allowed as alias or delegation.
- 3
Control the application
In WordPress or software, check the, address of forced sender.
- 4
Read the SMTP newspaper
Enter the exact code and the server that returns it.
Solutions possibles
- Align the From address with authorized account
- Set the Alias/delegation correctly
- Fix plugin or the application of sending
Please ecstasy to the supplier if the address is correctly authorized but always refused.