diff --git a/src/auth/magic_link/MagicLinkAuthMethod.ts b/src/auth/magic_link/MagicLinkAuthMethod.ts
index f58156e..52eba91 100644
--- a/src/auth/magic_link/MagicLinkAuthMethod.ts
+++ b/src/auth/magic_link/MagicLinkAuthMethod.ts
@@ -11,6 +11,7 @@ import RedirectBackComponent from "../../components/RedirectBackComponent";
 import Application from "../../Application";
 import {MailTemplate} from "../../mail/Mail";
 import AuthMagicLinkActionType from "./AuthMagicLinkActionType";
+import Validator from "../../db/Validator";
 
 export default class MagicLinkAuthMethod implements AuthMethod<MagicLink> {
     public constructor(
@@ -75,6 +76,12 @@ export default class MagicLinkAuthMethod implements AuthMethod<MagicLink> {
         const geo = geoip.lookup(req.ip);
         const actionType = isRegistration ? AuthMagicLinkActionType.REGISTER : AuthMagicLinkActionType.LOGIN;
 
+        if (isRegistration) {
+            await Validator.validate({
+                email: new Validator().defined().unique(UserEmail, 'email'),
+            }, {email: email});
+        }
+
         await MagicLinkController.sendMagicLink(
             this.app,
             req.getSession().id,