Traduction your message could not be be delivered

This is the SMTP Server program at host wanadoo.fr.

I'm sorry to have to inform you that your message could not be
be delivered to one or more recipients. It's attached below.

For further assistance, please send mail to <postmaster>

If you do so, please include this problem report. You can
delete your own text from the attached returned message.

The SMTP Server program

p.s.c'est quelqu'un de France qui m'envoie des messages et a tout moment,son serveur lui renvoie ce message,il y a n'a que je recoit et d'autre pas.
pouvez-vous m'aider s.v.p.
un gros merci
Christyne