1Info
smtp;422 License Expired
The recipient's Barracuda filter license is expired, so mail cannot be accepted. They need to renew with Barracuda before delivery will work.
SMTP 422
Transient (4xx)
The mail server encountered a temporary failure. If the command is repeated without any change, it might be completed. Mail servers can use temporary failures like this to keep untrusted senders at bay.
Spam filters
Barracuda
1 responses for SMTP 422
Response catalog adapted from the MIT-licensed SMTP Field Manual by ActiveCampaign / Postmark.