diff --git a/app/forms.py b/app/forms.py
index 4fc3d81..66fbae2 100644
--- a/app/forms.py
+++ b/app/forms.py
@@ -1,9 +1,15 @@
 from django import forms
+from django.core.validators import validate_email
 from .models import EmailBackend
 from django.utils.translation import ugettext_lazy as _
 
 class EmailBackendForm(forms.ModelForm):
 
+	def clean_default_from_email(self):
+		default_email = self.cleaned_data['default_from_email']
+		validate_email(default_email)
+		return default_email
+
 	class Meta:
 		model = EmailBackend
 		fields = ('description', 'host', 'port', 'username', 'password', 'safe_conection', 'default_from_email')
--
libgit2 0.21.2