if you want to include the patch inline.
(a)ttach works fine without "set paste".
+You can also generate patches with 'git format-patch' and then use Mutt
+to send them:
+ $ mutt -H 0001-some-bug-fix.patch
+
Config options:
It should work with default settings.
However, it's a good idea to set the "send_charset" to: