diff --git a/pykolab/logger.py b/pykolab/logger.py
--- a/pykolab/logger.py
+++ b/pykolab/logger.py
@@ -27,6 +27,22 @@
 
 from pykolab.translate import _
 
+class StderrToLogger(object):
+    """
+    Fake file-like stream object that redirects writes to a logger instance.
+    """
+    def __init__(self, logger, log_level=logging.DEBUG):
+        self.logger = logger
+        self.log_level = log_level
+        self.linebuf = ''
+ 
+    def write(self, buf):
+        for line in buf.rstrip().splitlines():
+            self.logger.log(self.log_level, line.rstrip())
+ 
+    def flush(self): 
+        pass
+
 class Logger(logging.Logger):
     """
         The PyKolab version of a logger.
diff --git a/wallace/modules.py b/wallace/modules.py
--- a/wallace/modules.py
+++ b/wallace/modules.py
@@ -20,7 +20,6 @@
 import os
 import sys
 import time
-import traceback
 
 from email import message_from_string
 from email.message import Message
@@ -130,6 +129,10 @@
 def _sendmail(sender, recipients, msg):
     # NOTE: Use "127.0.0.1" here for IPv6 (see also the service
     # definition in master.cf).
+
+    sl = pykolab.logger.StderrToLogger(log)
+    smtplib.stderr = sl
+
     smtp = smtplib.SMTP("127.0.0.1", 10027)
 
     if conf.debuglevel > 8:
@@ -169,8 +172,7 @@
             log.error("SMTP Sender Refused, %r" % (errmsg))
 
         except Exception, errmsg:
-            log.error(_("Unknown error occurred; %r") % (errmsg))
-            log.error("%r" % (traceback.format_exc()))
+            log.exception(_("Unknown error occurred: %r") % (errmsg))
 
         return False