Traceback (most recent call last):
  File "/usr/local/sfgardener/SF_gardening.py", line 425, in <module>
    sfg.run()
  File "/usr/local/sfgardener/SF_gardening.py", line 48, in run
    self.updateUsers()
  File "/usr/local/sfgardener/SF_gardening.py", line 330, in updateUsers
    self.notifyMailUpdate(contact['Email'])
  File "/usr/local/sfgardener/SF_gardening.py", line 225, in notifyMailUpdate
    self.smtpserver.sendmail(msg['From'], [msg['To']], msg.as_string())
  File "/usr/lib/python2.5/smtplib.py", line 703, in sendmail
    raise SMTPRecipientsRefused(senderrs)
smtplib.SMTPRecipientsRefused: {'': (501, '5.1.3 Bad recipient address syntax')}