diff --git a/CHANGES.txt b/CHANGES.txt
index 20142a1..86ae0c6 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -4,6 +4,9 @@ Changelog
 1.0RC1 (unreleased)
 -------------------
 
+- Fix SMTP exception when an email is send to the moderator.
+  [timo]
+
 - Make sure comment UIDs in the catalog are always unique. This fixes  
   http://dev.plone.org/plone/ticket/10652. 
   [timo] 
diff --git a/plone/app/discussion/comment.py b/plone/app/discussion/comment.py
index f89f0f3..ba398ba 100644
--- a/plone/app/discussion/comment.py
+++ b/plone/app/discussion/comment.py
@@ -307,11 +307,14 @@ def notify_moderator(obj, event):
     if PLONE_4:
         try:
             mail_host.send(message, mto, sender, subject, charset='utf-8')
-        except SMTPException:
-            logger.error('SMTP exception while trying to send an ' +
-                         'email from %s to %s',
+        except SMTPException, e:
+            logger.error('SMTP exception (%s) while trying to send an ' +
+                         'email notification to the comment moderator ' +
+                         '(from %s to %s, message: %s)',
+                         e,
                          sender,
-                         comment.author_email)
+                         mto,
+                         message)
     else: # pragma: no cover
         try:
             mail_host.secureSend(message, 
@@ -319,8 +322,11 @@ def notify_moderator(obj, event):
                                  sender, 
                                  subject=subject, 
                                  charset='utf-8')
-        except SMTPException:
-            logger.error('SMTP exception while trying to send an ' +
-                         'email from %s to %s',
+        except SMTPException, e:
+            logger.error('SMTP exception (%s) while trying to send an ' +
+                         'email notification to the comment moderator ' +
+                         '(from %s to %s, message: %s)',
+                         e,
                          sender,
-                         comment.author_email)
+                         mto,
+                         message)