diff --git a/application/src/main/java/org/thingsboard/server/controller/AuthController.java b/application/src/main/java/org/thingsboard/server/controller/AuthController.java
index 0cb9b29501..44449eb3d6 100644
--- a/application/src/main/java/org/thingsboard/server/controller/AuthController.java
+++ b/application/src/main/java/org/thingsboard/server/controller/AuthController.java
@@ -199,6 +199,7 @@ public class AuthController extends BaseController {
     @ResponseBody
     public JsonNode activateUser(
             @RequestBody JsonNode activateRequest,
+            @RequestParam(required = false, defaultValue = "true") boolean sendActivationMail,
             HttpServletRequest request) throws ThingsboardException {
         try {
             String activateToken = activateRequest.get("activateToken").asText();
@@ -213,10 +214,12 @@ public class AuthController extends BaseController {
             String loginUrl = String.format("%s/login", baseUrl);
             String email = user.getEmail();
 
-            try {
-                mailService.sendAccountActivatedEmail(loginUrl, email);
-            } catch (Exception e) {
-                log.info("Unable to send account activation email [{}]", e.getMessage());
+            if (sendActivationMail) {
+                try {
+                    mailService.sendAccountActivatedEmail(loginUrl, email);
+                } catch (Exception e) {
+                    log.info("Unable to send account activation email [{}]", e.getMessage());
+                }
             }
 
             JwtToken accessToken = tokenFactory.createAccessJwtToken(securityUser);
diff --git a/ui/src/app/api/login.service.js b/ui/src/app/api/login.service.js
index 2322c13b63..0707070ed5 100644
--- a/ui/src/app/api/login.service.js
+++ b/ui/src/app/api/login.service.js
@@ -85,9 +85,12 @@ function LoginService($http, $q) {
         return deferred.promise;
     }
 
-    function activate(activateToken, password) {
+    function activate(activateToken, password, sendActivationMail) {
         var deferred = $q.defer();
         var url = '/api/noauth/activate';
+        if(sendActivationMail === true || sendActivationMail === false) {
+            url += '?sendActivationMail=' + sendActivationMail;
+        }
         $http.post(url, {activateToken: activateToken, password: password}).then(function success(response) {
             deferred.resolve(response);
         }, function fail() {