diff --git a/README.md b/README.md
index d3f31d7..688e929 100644
--- a/README.md
+++ b/README.md
@@ -31,3 +31,12 @@ Usage :
 ./renew-certificate >> /var/log/renew-certificates.log
 ```
 
+##How to create postfix SAN certificate
+Create SAN (multi-domains) certificates for a postfix configuration
+
+Edit postfix_pem_path  and mail_server and deploy ssh key accordingly.  
+I should write a blog article once I have time, meanwhile do not hesitate to ask questions on the repo
+Usage:
+```
+./create-cert-postfix domain1.tld domain2.tld domain3.tld
+```
\ No newline at end of file
diff --git a/create-cert-postfix b/create-cert-postfix
new file mode 100755
index 0000000..f3fa83d
--- /dev/null
+++ b/create-cert-postfix
@@ -0,0 +1,30 @@
+#!/bin/bash
+
+#Configuration variables
+certbot_bin="/usr/bin/certbot"
+postfix_pem_path="/etc/ssl/"
+mail_server="192.168.201.172"
+
+if [ ! $# -ge 1 ] ; then
+echo "$(date +%c) Please give domain name as parameter"
+exit 1
+fi
+
+DOMAIN_OPTION=""
+
+for domain in "${@}"; do
+	DOMAIN_OPTION="${DOMAIN_OPTION} -d mail.${domain} -d smtp.${domain} -d imap.${domain}"
+done
+
+echo "$(date +%c) Generate certificat for ${@}"
+
+${certbot_bin}  certonly ${DOMAIN_OPTION} --renew-by-default --http-01-port 63443 --agree-tos
+if [ $? -eq 0 ]; then
+    echo "$(date +%c) Success!"
+    rsync -az -L /etc/letsencrypt/live/mail.$1/cert.pem /etc/letsencrypt/live/mail.$1/privkey.pem /etc/letsencrypt/live/mail.$1/chain.pem ssl-san@${mail_server}:${postfix_pem_path}
+    ssh ssl-san@${mail_server} "sudo systemctl reload postfix"
+else
+    echo "$(date +%c) Error creating certificate with error code $?, exit script..."
+    exit 1
+fi
+exit 0
\ No newline at end of file