diff --git a/helpdesk/exceptions.py b/helpdesk/exceptions.py
new file mode 100644
index 00000000..de35b9c4
--- /dev/null
+++ b/helpdesk/exceptions.py
@@ -0,0 +1,5 @@
+class IgnoreTicketException(Exception):
+    """
+    Raised when an email message is received from a sender who is marked to be ignored
+    """
+    pass
\ No newline at end of file