Add mail context processory

flask_security/core.py

@@ -253,6 +253,9 @@ class _SecurityState(object):
     def send_login_context_processor(self, fn):
         self._add_ctx_processor('send_login', fn)
 
+    def mail_context_processor(self, fn):
+        self._add_ctx_processor('mail', fn)
+
 
 class Security(object):
     """The :class:`Security` class initializes the Flask-Security extension.

flask_security/utils.py

@@ -242,6 +242,7 @@ def send_mail(subject, recipient, template, **context):
 
     mail = current_app.extensions.get('mail')
     context.setdefault('security', _security)
+    context.update(_security._run_ctx_processor('mail'))
 
     msg = Message(subject,
                   sender=_security.email_sender,