diff --git a/lib/nntp/tiny/session.py b/lib/nntp/tiny/session.py
index 7633fab..ea2e37c 100644
--- a/lib/nntp/tiny/session.py
+++ b/lib/nntp/tiny/session.py
@@ -667,7 +667,18 @@ class Session(Connection):
             str(message.content.count('\n') + 1),
         ]
 
+        HEADERS_SKIP = {
+            'subject':    True,
+            'from':       True,
+            'date':       True,
+            'message-id': True,
+            'references': True
+        }
+
         for k in message.headers:
+            if k.casefold() in HEADERS_SKIP:
+                continue
+
             parts.append("%s: %s" % (
                 k, message.headers[k]
             ))