Handle email errors in a better manner

util/useremails.py

@@ -1,3 +1,6 @@
+import logging
+import traceback
+
 from flask.ext.mail import Message
 
 from app import mail, app, get_app_url
@@ -5,8 +8,12 @@ from data import model
 from util.gravatar import compute_hash
 from util.jinjautil import get_template_env
 
+logger = logging.getLogger(__name__)
 template_env = get_template_env("emails")
 
+class CannotSendEmailException(Exception):
+  pass
+
 def send_email(recipient, subject, template_file, parameters):
   app_title = app.config['REGISTRY_TITLE_SHORT']
   app_url = get_app_url()
@@ -30,8 +37,11 @@ def send_email(recipient, subject, template_file, parameters):
 
   msg = Message('[%s] %s' % (app_title, subject), recipients=[recipient])
   msg.html = rendered_html
-  mail.send(msg)
 
+  try:
+    mail.send(msg)
+  except Exception as ex:
+    raise CannotSendEmailException(ex.message)
 
 def send_password_changed(username, email):
   send_email(email, 'Account password changed', 'passwordchanged', {