Status 1#
smtp;422 License Expired
The receiver deferred this message and will retry it automatically. A failure that sticks around usually traces back to rate limits, reputation, or a policy on the receiving side.
Spam filter · 4.x.x transient failure
Barracuda SMTP 422 Errors: Every Bounce Response Explained
Every SMTP 422 response on record from Barracuda, with the verbatim text, the enhanced status code, a severity rating and a plain-English fix.
The recipient's mailbox is over its size limit and cannot take more mail right now. It is a temporary state, so delivery can resume once the recipient frees up space.
- Spam filter
- Barracuda
- Code
- 422 (4xx)
- Responses
- 1
- Highest severity
- Unclassified
Barracuda SMTP 422 responses
Postmaster & documentation
Barracuda SMTP 422 questions
›What does an SMTP 422 error from Barracuda mean?
The recipient's mailbox is over its size limit and cannot take more mail right now. It is a temporary state, so delivery can resume once the recipient frees up space. At Barracuda, it is a temporary deferral that is retried automatically, and the specific reason is in the enhanced status code and message text of each response below.
›How do I stop Barracuda from returning SMTP 422?
Match your bounce text to one of the responses below and follow its guidance. Recipient-side wording means fix the address. Authentication or reputation wording (SPF, DKIM, DMARC, blocklist) means fix your sending setup, and check Barracuda's postmaster documentation.