The email module's mimetext handling isn't what you might expect from something that appears to behave like a dictionary.
$ python Python 2.5 (r25:51908, May 25 2007, 16:14:04) [GCC 4.1.2 20061115 (prerelease) (SUSE Linux)] on linux2 Type "help", "copyright", "credits" or "license" for more information. >>> from email.mime.text import MIMEText >>> msg = MIMEText("A message") >>> msg["To"] = "[EMAIL PROTECTED]" >>> msg["To"] = "[EMAIL PROTECTED]" >>> print msg.as_string() Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit To: [EMAIL PROTECTED] To: [EMAIL PROTECTED] A message >>> Having apparently REPLACED my recipient, what I've ended up with is both of them. -- Dale Strickland-Clark Riverhall Systems - www.riverhall.co.uk -- http://mail.python.org/mailman/listinfo/python-list