diff --git a/server/.dev.vars.example b/server/.dev.vars.example
index 16578ef6..eb08641a 100644
--- a/server/.dev.vars.example
+++ b/server/.dev.vars.example
@@ -1,3 +1,6 @@
+ENVIRONMENT = dev # Set to prod in production env
+DEV_EMAIL_RECEIVER=test@mail.com # When the ENVIRONMENT is not set to 'prod', all emails intended for users will be sent to this email address instead.
+
 AUTHORIZATION_CODE_JWT_SECRET=aaa # This must be replace with a strong secret
 SPA_ACCESS_TOKEN_JWT_SECRET=bbb # This must be replace with a strong secret
 S2S_ACCESS_TOKEN_JWT_SECRET=ccc # This must be replace with a strong secret
diff --git a/server/src/configs/type.ts b/server/src/configs/type.ts
index 31f728bc..5c418ad6 100644
--- a/server/src/configs/type.ts
+++ b/server/src/configs/type.ts
@@ -7,6 +7,8 @@ import { typeConfig } from 'configs'
 export type Bindings = {
   DB: D1Database;
   KV: KVNamespace;
+  ENVIRONMENT: string;
+  DEV_EMAIL_RECEIVER: string;
   AUTHORIZATION_CODE_JWT_SECRET: string;
   SPA_ACCESS_TOKEN_JWT_SECRET: string;
   S2S_ACCESS_TOKEN_JWT_SECRET: string;
diff --git a/server/src/services/email.tsx b/server/src/services/email.tsx
index 70227962..df7614a0 100644
--- a/server/src/services/email.tsx
+++ b/server/src/services/email.tsx
@@ -16,6 +16,8 @@ export const sendEmailVerificationEmail = async (
     SENDGRID_SENDER_ADDRESS: sendgridSender,
     COMPANY_LOGO_URL: logoUrl,
     AUTH_SERVER_URL: serverUrl,
+    ENVIRONMENT: environment,
+    DEV_EMAIL_RECEIVER: devEmailReceiver,
   } = env(c)
   if (!enableEmailVerification || !sendgridApiKey || !sendgridSender || !user.email) return null
   const verificationCode = cryptoUtil.genRandomString(8)
@@ -42,7 +44,7 @@ export const sendEmailVerificationEmail = async (
         personalizations: [
           {
             to: [
-              { email: user.email },
+              { email: environment === 'prod' ? user.email : devEmailReceiver },
             ],
           },
         ],
diff --git a/server/wrangler.toml b/server/wrangler.toml
index 952e8268..ae703c44 100644
--- a/server/wrangler.toml
+++ b/server/wrangler.toml
@@ -12,12 +12,11 @@ SERVER_SESSION_EXPIRES_IN=1800 # Set to 0 to disable session
 AUTH_SERVER_URL="http://localhost:8787" # The host url of your CF worker
 COMPANY_LOGO_URL="https://raw.githubusercontent.com/ValueMelody/melody-homepage/main/logo.jpg"
 
-ENABLE_SIGN_UP=true
-ENABLE_NAMES=true
-NAMES_IS_REQUIRED=false
-ENABLE_USER_APP_CONSENT=true
-ENABLE_EMAIL_VERIFICATION=true # Need a valid SENDGRID_API_KEY and SENDGRID_SENDER_ADDRESS in env var
-ENABLE_PASSWORD_RESET=true # Need a valid SENDGRID_API_KEY and SENDGRID_SENDER_ADDRESS in env var
+ENABLE_SIGN_UP=true # If set to false, sign up will be suppressed
+ENABLE_NAMES=true # If set to false, firstName and lastName will not be collected during sign up.
+NAMES_IS_REQUIRED=false # If set to true, users will be required to provide their firstName and lastName during sign up.
+ENABLE_USER_APP_CONSENT=true # If set to true, users will be required to consent grant permission to each app during authentication.
+ENABLE_EMAIL_VERIFICATION=true # To enable email functionality, set valid SENDGRID_API_KEY and SENDGRID_SENDER_ADDRESS environment variables. If set to true, user will receive a verification email upon sign up.
 
 [[kv_namespaces]]
 binding = "KV"