Checking validity of email in django/python [duplicate]

Question

I have written a function for adding emails to newsletter base. Until I've added checking validity of sent email it was working flawlessly. Now each time I'm getting "Wrong email" in return. Can anybody see any errors here ? The regex used is :

\b[\w\.-]+@[\w\.-]+\.\w{2,4}\b and it is 100% valid (http://gskinner.com/RegExr/), but I may be using it wrong, or it may be some logic error :

def newsletter_add(request):     if request.method == "POST":            try:             e = NewsletterEmails.objects.get(email = request.POST['email'])             message = _(u"Email is already added.")             type = "error"         except NewsletterEmails.DoesNotExist:             if validateEmail(request.POST['email']):                 try:                     e = NewsletterEmails(email = request.POST['email'])                 except DoesNotExist:                     pass                 message = _(u"Email added.")                 type = "success"                 e.save()             else:                 message = _(u"Wrong email")                 type = "error"  import re  def validateEmail(email):     if len(email) > 6:         if re.match('\b[\w\.-]+@[\w\.-]+\.\w{2,4}\b', email) != None:             return 1     return 0 

Answer 1

from django.core.exceptions import ValidationError from django.core.validators import validate_email  value = "[email protected]"  try:     validate_email(value) except ValidationError as e:     print("bad email, details:", e) else:     print("good email")