diff --git a/locals.tf b/locals.tf
index 5be96c2..4e1af86 100644
--- a/locals.tf
+++ b/locals.tf
@@ -6,14 +6,11 @@ global:
   baseDomain: ${var.base_domain}
   tlsSecret: astronomer-tls
   istioEnabled: ${var.enable_istio == "true" ? true : false}
-
 nginx:
   loadBalancerIP: ${var.load_balancer_ip == "" ? "~" : var.load_balancer_ip}
   privateLoadBalancer: ${var.cluster_type == "private" ? true : false}
   perserveSourceIP: true
-
 %{if var.enable_gvisor == "true"}
-
   platformNodePool:
     affinity:
       nodeAffinity:
@@ -24,7 +21,6 @@ nginx:
               operator: In
               values:
               - "false"
-
   deploymentNodePool:
     affinity:
       nodeAffinity:
@@ -40,10 +36,14 @@ nginx:
         key: sandbox.gke.io/runtime
         operator: Equal
         value: gvisor
-
 astronomer:
   houston:
     config:
+    %{if var.smtp_uri != ""}
+        email:
+          enabled: true
+          smtpUrl: ${var.smtp_uri}
+    %{endif}
         helm:
            affinity:
              nodeAffinity:
@@ -59,9 +59,7 @@ astronomer:
                key: sandbox.gke.io/runtime
                operator: Equal
                value: gvisor
-
 %{endif}
 EOF
 
 }
-
diff --git a/variables.tf b/variables.tf
index b563bda..44c5af4 100644
--- a/variables.tf
+++ b/variables.tf
@@ -56,4 +56,7 @@ variable "enable_gvisor" {
   type        = string
 }
 
-
+variable "smtp_uri" {
+  default     = ""
+  type        = string
+}