SINCE NEW YAHOO, I'M GETTING THE SAME ERROR MESSAGE
SISIN NEW YAHOO, I'M GETTING THE SAME ERROR MESSAGE
A message that you sent could not be delivered to one or more of its
recipients. This is a permanent error. The following address(es) failed:
**********@yahoo.com (reading confirmation): 554 Message not allowed - [PH01] Email not accepted for policy reasons. Please visit https://help.yahoo.com/kb/postmaster/SLN5067.html
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Please review this article to find out why you’re receiving this error: https://help.yahoo.com/kb/SLN5067.html