diff --git a/zimbra/ca-root.pem b/zimbra/ca-root.pem
new file mode 100644
index 0000000..e69de29
diff --git a/zimbra/script-certificat.sh b/zimbra/script-certificat.sh
index d8b8b5e..0b2edb3 100644
--- a/zimbra/script-certificat.sh
+++ b/zimbra/script-certificat.sh
@@ -1,3 +1,24 @@
-blah blah blah
-d
-Pas génial ce script !
+#!/bin/bash
+su zimbra /opt/zimbra/bin/zmproxyctl stop
+cd /
+cd letsencrypt
+./letsencrypt-auto certonly --standalone -d zimbrapro.altinea.fr -n
+cp /certificat/ca-root.pem /etc/letsencrypt/live/zimbrapro.altinea.fr
+cat /etc/letsencrypt/live/zimbrapro.altinea.fr/chain.pem /etc/letsencrypt/live/zimbrapro.altinea.fr/ca-root.pem > /etc/letsencrypt/live/zimbrapro.altinea.fr/chain-root-ca.pem
+#echo  chain-root-ca.pem
+mkdir /opt/zimbra/ssl/letsencrypt
+cp /etc/letsencrypt/live/zimbrapro.altinea.fr/* /opt/zimbra/ssl/letsencrypt/
+#echo copy OK
+rm /opt/zimbra/ssl/letsencrypt/chain.pem
+mv /opt/zimbra/ssl/letsencrypt/chain-root-ca.pem /opt/zimbra/ssl/letsencrypt/chain.pem
+chown zimbra:zimbra /opt/zimbra/ssl/letsencrypt/*
+chown zimbra:zimbra /opt/zimbra/ssl/letsencrypt/
+cp -a /opt/zimbra/ssl/zimbra /opt/zimbra/ssl/zimbra.$(date "+%Y%m%d")
+cp /opt/zimbra/ssl/letsencrypt/privkey.pem /opt/zimbra/ssl/zimbra/commercial/commercial.key
+su - zimbra -c"
+cd /opt/zimbra/ssl/letsencrypt/
+/opt/zimbra/bin/zmcertmgr deploycrt comm cert.pem chain.pem
+#echo ok
+#echo redemarrage du zimbra
+zmcontrol restart"
+#echo fin de la mise à jour du certificat!