diff --git a/Cheatsheet.txt b/Cheatsheet.txt
index eb3fc8a..ee270f3 100644
--- a/Cheatsheet.txt
+++ b/Cheatsheet.txt
@@ -1,17 +1,25 @@
 Welcome to Cheatsheet.txt, licensed under CC-0. No attribution required.
 But it is writen by Diskette (diskette@dailitation.xyz)
 
-Information regarding the flags are in dkimpy repository.
+Information regarding the [] flags are in dkimpy repository.
 
 [__init__.py]
 Initialization file,
 
 class dkimMilter, a milter for dkim
 
+What are those
+self.fp localpart
+self.fdomain domain part
+self.iequals i still have no idea
+
+def header
+
+
 define check_dkim, I assume that this checks dkim, how?
 
 def sign_dkim
-
+d = dkim.DKIM(txt)
 
 [dnsplyug.py]
 File for interfacing with DNS
diff --git a/dkimpy_milter/__init__.py b/dkimpy_milter/__init__.py
index a6bb26f..29e49ea 100644
--- a/dkimpy_milter/__init__.py
+++ b/dkimpy_milter/__init__.py
@@ -31,6 +31,7 @@ import tempfile
 import io
 import re
 import codecs
+import idna
 from Milter.utils import parse_addr, parseaddr
 import dkimpy_milter.config as config
 from dkimpy_milter.util import drop_privileges
@@ -149,7 +150,7 @@ class dkimMilter(Milter.Base):
                 syslog.syslog("{0}: {1}".format(name, val))
             self.has_dkim += 1
         if lname == 'from':
-            fname, self.author = parseaddr(val)
+            fname, self.author = parseaddr(idna.encode(val))
             try:
                 self.fdomain = self.author.split('@')[1].lower()
             except IndexError as er: