Bounce code PH*
What the knowledge base's own tables say about this code, and which articles say it — a description of the reply, never a placement prediction.
This line comes from a knowledge base article on Yahoo, not on the standard.
- Cause
- Content Yahoo does not accept: viruses, phishing, ransomware, other malware, or links to any of these
- Next step
- Examine outbound queues for objectionable content, and secure servers against abuse
- Category
- Content-based blocks