Strip leading and trailing whitespace before parsing.

dkim/__init__.py

@@ -296,10 +296,10 @@ class DKIM(object):
         return False
 
     # Currently, we only validate the first DKIM-Signature line found.
-    try:
-        sig = parse_tag_value(sigheaders[0][1])
-    except InvalidTagValueList,e:
-        raise MessageFormatError(e)
+    #try:
+    sig = parse_tag_value(sigheaders[0][1])
+    #except InvalidTagValueList,e:
+    #    raise MessageFormatError(e)
 
     sig = parse_tag_value(sigheaders[0][1])
     logger = self.logger

dkim/util.py

@@ -55,7 +55,7 @@ def parse_tag_value(tag_list):
     @param tag_list: A string containing a DKIM Tag=Value list.
     """
     tags = {}
-    tag_specs = tag_list.split(b';')
+    tag_specs = tag_list.strip().split(b';')
     # Trailing semicolons are valid.
     if not tag_specs[-1]:
         tag_specs.pop()