diff --git a/mayan/apps/sources/literals.py b/mayan/apps/sources/literals.py
index be30f742fd..ab43e0511d 100644
--- a/mayan/apps/sources/literals.py
+++ b/mayan/apps/sources/literals.py
@@ -31,6 +31,6 @@ SOURCE_CHOICES = (
     (SOURCE_CHOICE_EMAIL_IMAP, _('IMAP email')),
 )
 
-DEFAULT_INTERVAL = 60
+DEFAULT_INTERVAL = 600
 DEFAULT_POP3_TIMEOUT = 60
 DEFAULT_IMAP_MAILBOX = 'INBOX'