diff --git a/README.md b/README.md
index 39a7d91..8e72d56 100644
--- a/README.md
+++ b/README.md
@@ -39,6 +39,7 @@ added the required error handling for the application.
 - Docker (docker-compose)
 - bcrypt
 - JWT
+- deep-email-validator
 
 ## How to Run
 
diff --git a/package-lock.json b/package-lock.json
index 38de821..d35178c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -12,6 +12,7 @@
         "@sendgrid/mail": "^7.7.0",
         "bcryptjs": "^2.4.3",
         "cookie-parser": "^1.4.6",
+        "deep-email-validator": "^0.1.21",
         "dotenv": "^16.1.4",
         "express": "^4.18.2",
         "jsonwebtoken": "^9.0.0",
@@ -95,6 +96,11 @@
         "@types/express": "*"
       }
     },
+    "node_modules/@types/disposable-email-domains": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/@types/disposable-email-domains/-/disposable-email-domains-1.0.4.tgz",
+      "integrity": "sha512-AmKPD8vBZzvey/jeg+YAIH/xJE3D6edOXz+YUooSCcHesGzFyzke83kj1j4d0LUR9nkSHIRklUVdcAMleuWLpg=="
+    },
     "node_modules/@types/express": {
       "version": "4.17.17",
       "resolved": "https://registry.npmjs.org/@types/express/-/express-4.17.17.tgz",
@@ -420,6 +426,25 @@
         "ms": "2.0.0"
       }
     },
+    "node_modules/deep-email-validator": {
+      "version": "0.1.21",
+      "resolved": "https://registry.npmjs.org/deep-email-validator/-/deep-email-validator-0.1.21.tgz",
+      "integrity": "sha512-DBAmMzbr+MAubXQ+TS9tZuPwLcdKscb8YzKZiwoLqF3NmaeEgXvSSHhZ0EXOFeKFE2FNWC4mNXCyiQ/JdFXUwg==",
+      "dependencies": {
+        "@types/disposable-email-domains": "^1.0.1",
+        "axios": "^0.24.0",
+        "disposable-email-domains": "^1.0.59",
+        "mailcheck": "^1.1.1"
+      }
+    },
+    "node_modules/deep-email-validator/node_modules/axios": {
+      "version": "0.24.0",
+      "resolved": "https://registry.npmjs.org/axios/-/axios-0.24.0.tgz",
+      "integrity": "sha512-Q6cWsys88HoPgAaFAVUb0WpPk0O8iTeisR9IMqy9G8AbO4NlpVknrnQS03zzF9PGAWgO3cgletO3VjV/P7VztA==",
+      "dependencies": {
+        "follow-redirects": "^1.14.4"
+      }
+    },
     "node_modules/deepmerge": {
       "version": "4.3.1",
       "resolved": "https://registry.npmjs.org/deepmerge/-/deepmerge-4.3.1.tgz",
@@ -445,6 +470,11 @@
         "npm": "1.2.8000 || >= 1.4.16"
       }
     },
+    "node_modules/disposable-email-domains": {
+      "version": "1.0.62",
+      "resolved": "https://registry.npmjs.org/disposable-email-domains/-/disposable-email-domains-1.0.62.tgz",
+      "integrity": "sha512-LBQvhRw7mznQTPoyZbsmYeNOZt1pN5aCsx4BAU/3siVFuiM9f2oyKzUaB8v1jbxFjE3aYqYiMo63kAL4pHgfWQ=="
+    },
     "node_modules/dotenv": {
       "version": "16.1.4",
       "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-16.1.4.tgz",
@@ -837,6 +867,11 @@
         "node": ">=10"
       }
     },
+    "node_modules/mailcheck": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/mailcheck/-/mailcheck-1.1.1.tgz",
+      "integrity": "sha512-3WjL8+ZDouZwKlyJBMp/4LeziLFXgleOdsYu87piGcMLqhBzCsy2QFdbtAwv757TFC/rtqd738fgJw1tFQCSgA=="
+    },
     "node_modules/media-typer": {
       "version": "0.3.0",
       "resolved": "https://registry.npmjs.org/media-typer/-/media-typer-0.3.0.tgz",
diff --git a/package.json b/package.json
index 6593ad7..815fdef 100644
--- a/package.json
+++ b/package.json
@@ -6,14 +6,15 @@
   "scripts": {
     "dev": "nodemon dist/index.js",
     "start": "node dist/index.js",
-    "build": "tsc -p ." 
-  }, 
+    "build": "tsc -p ."
+  },
   "author": "",
   "license": "ISC",
   "dependencies": {
     "@sendgrid/mail": "^7.7.0",
     "bcryptjs": "^2.4.3",
     "cookie-parser": "^1.4.6",
+    "deep-email-validator": "^0.1.21",
     "dotenv": "^16.1.4",
     "express": "^4.18.2",
     "jsonwebtoken": "^9.0.0",
diff --git a/src/controllers/UserController.ts b/src/controllers/UserController.ts
index c55b268..30f010c 100644
--- a/src/controllers/UserController.ts
+++ b/src/controllers/UserController.ts
@@ -3,12 +3,18 @@ import bcrypt from 'bcryptjs';
 import jwt from 'jsonwebtoken';
 import { User, IUser } from '../mongoose/Schema';
 import { clearJwtCookie, setJwtCookie } from '../middlewares/checkAuth';
+import validate from 'deep-email-validator';
 
 export async function createUser(req: Request, res: Response) {
   try {
     const { email, password, address } = req.body;
-    
-    if (!(email && password && address)) {
+    const isValidEmail = await validate(email);
+    if (!isValidEmail.valid) {
+      console.error('Email is invalid:', isValidEmail.validators);
+      return res.status(400).json({ error: 'Email is invalid' });
+    }
+
+    if (!(password && address)) {
       return res.status(400).json({ error: 'All inputs are required' });
     }
     // checkIfUserExists return true if the user exists
@@ -41,12 +47,14 @@ export async function login(req: Request, res: Response) {
     // Check if the user exists
     const user: IUser | null = await User.findOne({ email });
     if (!user) {
+      console.error('User not found');
       return res.status(401).json({ error: 'Invalid email or password' });
     }
 
     // Compare the provided password with the stored password
     const isPasswordCorrect = await bcrypt.compare(password, user.password);
     if (!isPasswordCorrect) {
+      console.error('Invalid password');
       return res.status(401).json({ error: 'Invalid email or password' });
     }