- Added protection for malformed From addresses. If the From does not at

least have an '@' in the address, then the signing domain is not extracted
   and the message will not be signed

CHANGES

@@ -1,8 +1,11 @@
-0.9.6 UNRELEASED
+0.9.6 2018-03-13
  - Fixed typo in package installation section of README
  - Added more to README about first run with systemd
  - Fixed typo in path for fallback location of the config file if one is not
    provided
+ - Added protection for malformed From addresses.  If the From does not at
+   least have an '@' in the address, then the signing domain is not extracted
+   and the message will not be signed
 
 0.9.5.1 2018-03-10
  - Add conf file location to systemd unit file

dkimpy_milter/__init__.py

@@ -130,7 +130,10 @@ class dkimMilter(Milter.Base):
             self.has_dkim += 1
         if lname == 'from':
             fname, self.author = parseaddr(val)
-            self.fdomain = self.author.split('@')[1]
+            try:
+                self.fdomain = self.author.split('@')[1]
+            except IndexError as er:
+                self.fdomain = ''  # self.author was not a proper email address
             if (milterconfig.get('Syslog') and
                     milterconfig.get('debugLevel') >= 1):
                 syslog.syslog("{0}: {1}".format(name, val))