Delivery to the following recipient failed permanently:
qzzzzz@walla.com
Technical details of permanent failure:
Google tried to deliver your message, but it was rejected by the recipient domain. We recommend contacting the other email provider for further information about the cause of this error. The error that the other server returned was: 550 550 5.1.1 <qzzzzz@walla.com>... User unknown (state 14).
מה זה אומר בדיוק ואיך פוטרים את זה?
