diff --git a/packages/nc-gui/pages/signin.vue b/packages/nc-gui/pages/signin.vue
index 752634e56c..cdde347c1e 100644
--- a/packages/nc-gui/pages/signin.vue
+++ b/packages/nc-gui/pages/signin.vue
@@ -31,7 +31,7 @@ const formRules: Record<string, RuleObject[]> = {
     {
       validator: (_: unknown, v: string) => {
         return new Promise((resolve, reject) => {
-          if (!v?.length || validateEmail(v)) return resolve()
+          if (!v?.length || validateEmail(v.trim())) return resolve()
 
           reject(new Error(t('msg.error.signUpRules.emailInvalid')))
         })
diff --git a/packages/nc-gui/pages/signup/[[token]].vue b/packages/nc-gui/pages/signup/[[token]].vue
index 9004d6319e..7cd8d313a3 100644
--- a/packages/nc-gui/pages/signup/[[token]].vue
+++ b/packages/nc-gui/pages/signup/[[token]].vue
@@ -37,7 +37,7 @@ const formRules = {
     {
       validator: (_: unknown, v: string) => {
         return new Promise((resolve, reject) => {
-          if (!v?.length || validateEmail(v)) return resolve()
+          if (!v?.length || validateEmail(v.trim())) return resolve()
 
           reject(new Error(t('msg.error.signUpRules.emailInvalid')))
         })