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-rw-r--r--django/core/mail/__init__.py4
1 files changed, 4 insertions, 0 deletions
diff --git a/django/core/mail/__init__.py b/django/core/mail/__init__.py
index 05c8c6a1b1..d17058b0d4 100644
--- a/django/core/mail/__init__.py
+++ b/django/core/mail/__init__.py
@@ -91,6 +91,8 @@ def mail_admins(subject, message, fail_silently=False, connection=None,
"""Send a message to the admins, as defined by the ADMINS setting."""
if not settings.ADMINS:
return
+ if not all(isinstance(a, (list, tuple)) and len(a) == 2 for a in settings.ADMINS):
+ raise ValueError('The ADMINS setting must be a list of 2-tuples.')
mail = EmailMultiAlternatives(
'%s%s' % (settings.EMAIL_SUBJECT_PREFIX, subject), message,
settings.SERVER_EMAIL, [a[1] for a in settings.ADMINS],
@@ -106,6 +108,8 @@ def mail_managers(subject, message, fail_silently=False, connection=None,
"""Send a message to the managers, as defined by the MANAGERS setting."""
if not settings.MANAGERS:
return
+ if not all(isinstance(a, (list, tuple)) and len(a) == 2 for a in settings.MANAGERS):
+ raise ValueError('The MANAGERS setting must be a list of 2-tuples.')
mail = EmailMultiAlternatives(
'%s%s' % (settings.EMAIL_SUBJECT_PREFIX, subject), message,
settings.SERVER_EMAIL, [a[1] for a in settings.MANAGERS],