diff --git a/HowtoPostfix.md b/HowtoPostfix.md
index befecfce..5b5a7998 100644
--- a/HowtoPostfix.md
+++ b/HowtoPostfix.md
@@ -508,7 +508,7 @@ En pratique pour les principaux fournisseurs d'emails, voici comment les contact
 
 * Free : <http://postmaster.free.fr/>
 * Orange : <http://assistance.orange.fr/la-cellule-abuse-1260.php>
-* Hotmail/Outlook/Microsoft : <https://support.live.com/eform.aspx?productKey=edfsmsbl3&ct=eformts>
+* Hotmail/Outlook/Microsoft : <https://support.microsoft.com/en-us/getsupport?oaspworkflow=start_1.0.0.0&wfname=capsub&productkey=edfsmsbl3&ccsid=635688189955348624&wa=wsignin1.0>
 * Yahoo : <http://help.yahoo.com/l/us/yahoo/mail/postmaster/postmaster-15.html> ... plus récemment : <http://help.yahoo.com/l/qe/snova/mail/postmaster/defer.html>
 * La Poste : <https://m.laposte.net/wapme/Help_CGU/CGU_chap_304.php>
 * GMAIL : <http://support.google.com/mail/bin/request.py?contact_type=bulk_send&&hl=en> (NE REPONDENT JAMAIS !!!)