Avoid crashes with nested multipart/mixed parts.
diff --git a/Lib/mimify.py b/Lib/mimify.py
index ce4c4ba..15f0981 100755
--- a/Lib/mimify.py
+++ b/Lib/mimify.py
@@ -367,7 +367,14 @@
line = message_end
while multipart:
if line == multipart + '--\n':
- return
+ # read bit after the end of the last part
+ while 1:
+ line = ifile.readline()
+ if not line:
+ return
+ if must_quote_body:
+ line = mime_encode(line, 0)
+ ofile.write(line)
if line == multipart + '\n':
nifile = File(ifile, multipart)
mimify_part(nifile, ofile, 1)