bon ben j'ai ma réponse grâce à mecano91
mon mail étant ancien , il a été désactivé par free,
reste plus qu'a trouver un technicien free pour le reactiver si c'est possible
voici l'extrait du mail reçu en retour de mon envoi
This is the mail system at host smtp4-g21.free.fr.
I'm sorry to have to inform you that your message could not
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
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The mail system
<*************@free.fr>: host mx1.free.fr[***.**.**.**] said: 550 5.2.1
This mailbox has been blocked due to inactivity (UserSearch) (in reply to
RCPT TO command)