diff --git a/src/server/model/auth.ts b/src/server/model/auth.ts
index c1bc7cb..2e9c4a1 100644
--- a/src/server/model/auth.ts
+++ b/src/server/model/auth.ts
@@ -2,6 +2,7 @@ import { Auth, AuthConfig, createActionURL } from '@auth/core';
 import Nodemailer from '@auth/core/providers/nodemailer';
 import Credentials from '@auth/core/providers/credentials';
 import Github from '@auth/core/providers/github';
+import Google from '@auth/core/providers/google';
 import { env } from '../utils/env.js';
 import { prisma } from './_client.js';
 import type { PrismaClient, Prisma, User } from '@prisma/client';
@@ -83,7 +84,7 @@ export const authConfig: Omit<AuthConfig, 'raw'> = {
         ...env.auth.github,
       }),
     env.auth.provider.includes('google') &&
-      Github({
+      Google({
         id: 'google',
         name: 'Google',
         ...env.auth.google,
@@ -107,6 +108,23 @@ export const authConfig: Omit<AuthConfig, 'raw'> = {
 
       return session;
     },
+    async signIn({ user, account, profile, email }) {
+      if (account?.type === 'oauth') {
+        if (env.auth.restrict.email) {
+          if (profile?.email) {
+            return profile.email.endsWith(env.auth.restrict.email);
+          }
+        }
+      }
+
+      if (account?.type === 'email' && env.auth.restrict.email) {
+        if (user.email) {
+          return user.email.endsWith(env.auth.restrict.email);
+        }
+      }
+
+      return true;
+    },
   },
 };
 
diff --git a/src/server/utils/env.ts b/src/server/utils/env.ts
index ca0db57..6aed520 100644
--- a/src/server/utils/env.ts
+++ b/src/server/utils/env.ts
@@ -19,6 +19,9 @@ export const env = {
       !!process.env.AUTH_GITHUB_ID && 'github',
       !!process.env.AUTH_GOOGLE_ID && 'google',
     ]),
+    restrict: {
+      email: process.env.AUTH_RESTRICT_EMAIL, // for example: @example.com
+    },
     secret: process.env.AUTH_SECRET || md5(jwtSecret),
     email: {
       server: process.env.EMAIL_SERVER,