Hello, >> main_msg['Content-type'] = 'Multipart/mixed' > Would it be the 'Content-Type' header? I've no expertise in this, but > doesn't 'multipart' mean 'has attachments'?
Brilliant, thank you. A swift test on the number of attachments and changing the header suitably does the job. Thank you for your help, Russell -- The Duck Quacks: http://www-users.york.ac.uk/~rb502/ - Homepage http://www-users.york.ac.uk/~rb502/blog/quack.shtml - Blog http://www.flickr.com/photos/lsnduck/ - Photos -- http://mail.python.org/mailman/listinfo/python-list