I need a solution

bonjour , notre domaine ( lutec-france.fr) ne peut plus envoyer de message au domaine (yesss-fr.com) jai comme message d’erreur

merci par avance

This message was created automatically by mail delivery software.

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:


    host mx2.yesss-fr.com [xx.xxx.xxx.xxx]

    SMTP error from remote mail server after initial connection:

    554 5.7.1 Black List Symantec Global


Source: 554 5.7.1 Black List Symantec Global