- Fix verify processing so missing (optional) i= tag doesn't cause the milter

to fail

CHANGES

@@ -5,6 +5,8 @@
  - Add support for passing PID file name on command line to make it easier to
    keep system init and daemon configuration in sync
  - Fix startup logging so it provides information at a useful time
+ - Fix verify processing so missing (optional) i= tag doesn't cause the milter
+   to fail
 
 1.1.0 2019-04-12
  - Add SubDomains option to enable signing for sub-domains (LP: #1811535)

dkimpy_milter/__init__.py

@@ -289,7 +289,11 @@ class dkimMilter(Milter.Base):
                 self.dkim_comment = str(x)
                 if milterconfig.get('Syslog'):
                     syslog.syslog("check_dkim: {0}".format(x))
-            self.header_i = codecs.decode(d.signature_fields.get(b'i'), 'ascii')
+            try:
+                # i= is optional and dkimpy is fine if it's not provided
+                self.header_i = codecs.decode(d.signature_fields.get(b'i'), 'ascii')
+            except TypeError as x:
+                pass
             self.header_d = codecs.decode(d.signature_fields.get(b'd'), 'ascii')
             self.header_a = codecs.decode(d.signature_fields.get(b'a'), 'ascii')
             if res: