diff --git a/setup.sh b/setup.sh
index 7c2ad99..0d9171e 100644
--- a/setup.sh
+++ b/setup.sh
@@ -274,6 +274,12 @@ FUNC_CERTBOT(){
         read -p "Enter a comma-separated list of domains, A record followed by CNAME records for RPC & WSS (e.g., domain1.com,domain2.com): " USER_DOMAINS
     fi
 
+
+    # Prompt for user email if not provided as a variable
+    if [ -z "$CERT_EMAIL" ]; then
+        read -p "Enter your email address for certbot updates: " CERT_EMAIL
+    fi
+
     echo -e "${YELLOW}$USER_DOMAINS${NC}"
 
     IFS=',' read -ra DOMAINS_ARRAY <<< "$USER_DOMAINS"
@@ -286,7 +292,7 @@ FUNC_CERTBOT(){
     sudo systemctl enable nginx
 
     # Request and install a Let's Encrypt SSL/TLS certificate for Nginx
-    sudo certbot --nginx  -m "inv4fee2020@gmail.com" -n --agree-tos -d "$USER_DOMAINS"
+    sudo certbot --nginx  -m "$CERT_EMAIL" -n --agree-tos -d "$USER_DOMAINS"
 
 }
 
diff --git a/xf_node.vars b/xf_node.vars
index f36dc05..206cfb3 100644
--- a/xf_node.vars
+++ b/xf_node.vars
@@ -18,6 +18,7 @@ NGX_CONF_NEW="/etc/nginx/sites-available/xinfin"
 
 # *** UPDATE WITH YOUR VALUES - A Record 1st, RPC CNAME 2nd, WS CNAME 3rd *** #
 USER_DOMAINS=""
+CERT_EMAIL=""
 
 
 NGX_MAINNET_RPC="8545"