diff --git a/docs/courier-to-mailman3.md b/docs/courier-to-mailman3.md
index 76e11df..9f39076 100644
--- a/docs/courier-to-mailman3.md
+++ b/docs/courier-to-mailman3.md
@@ -44,4 +44,7 @@ This is our current version trying to communicate between courier and mailman3.
 * It's not finding it.
 * Oh man `To` vs `'To'`
 * Progress...  But getting, "line too long" this seems like I need the 
-  replace that I had before.
\ No newline at end of file
+  replace that I had before.
+* OK, that's progress...  But not sure what, failing to get logs that are
+  useful.
+* 
\ No newline at end of file
diff --git a/source/courier-to-mailman3.py b/source/courier-to-mailman3.py
index d7e61ae..b7631c2 100644
--- a/source/courier-to-mailman3.py
+++ b/source/courier-to-mailman3.py
@@ -64,6 +64,9 @@ try:
             content
         )
     except smtplib.SMTPResponseException as e:
+        logger.error('lmtp error on send')
+        logger.exception('Got exception Traceback:')
+        logger.error('lmtp failed errorno: %s, message: %s', e.errno, e.strerror)
         if 400 <= e.smtp_code < 500:
             exit(111)
         # otherwise, it's either a 5xx aka permanent error or something else