diff --git a/stacks/dawarich-stack.yaml b/stacks/dawarich-stack.yaml
index 388eb6c..63d8577 100644
--- a/stacks/dawarich-stack.yaml
+++ b/stacks/dawarich-stack.yaml
@@ -72,11 +72,11 @@ services:
       PHOTON_API_KEY: ${PHOTON_API_KEY}
       SELF_HOSTED: "true"
       DOMAIN: ${DOMAIN}
-      SMTP_SERVER: ${SMTP_SERVER:}
-      SMTP_PORT: ${SMTP_PORT:}
-      SMTP_FROM: ${SMTP_FROM:}
-      SMTP_USERNAME: ${SMTP_USERNAME:}
-      SMTP_PASSWORD: ${SMTP_PASSWORD:}
+      SMTP_SERVER: ${SMTP_SERVER}
+      SMTP_PORT: ${SMTP_PORT}
+      SMTP_FROM: ${SMTP_FROM}
+      SMTP_USERNAME: ${SMTP_USERNAME}
+      SMTP_PASSWORD: ${SMTP_PASSWORD}
       SMTP_STARTTLS: ${SMTP_STARTTLS:true}
     logging:
       driver: "json-file"
@@ -142,11 +142,11 @@ services:
       PHOTON_API_KEY: ${PHOTON_API_KEY}
       SELF_HOSTED: "true"
       DOMAIN: ${DOMAIN}
-      SMTP_SERVER: ${SMTP_SERVER:}
-      SMTP_PORT: ${SMTP_PORT:}
-      SMTP_FROM: ${SMTP_FROM:}
-      SMTP_USERNAME: ${SMTP_USERNAME:}
-      SMTP_PASSWORD: ${SMTP_PASSWORD:}
+      SMTP_SERVER: ${SMTP_SERVER}
+      SMTP_PORT: ${SMTP_PORT}
+      SMTP_FROM: ${SMTP_FROM}
+      SMTP_USERNAME: ${SMTP_USERNAME}
+      SMTP_PASSWORD: ${SMTP_PASSWORD}
       SMTP_STARTTLS: ${SMTP_STARTTLS:true}
     logging:
       driver: "json-file"