The code for handling cc and bcc in smtp.mail.inc uses the PHP split() function which is deprecated preventing it from working in Drupal 7. It should use preg_find() instead.
Patch uploaded. This is my first one, I hope I did it right.
PS. In the issue description above I meant to say it should be preg_split(), not preg_find()... it's late, sorry.
I wanted to make sure this was logged, and found your report. FIx worked for me.
explode can be used to fix this problem http://stackoverflow.com/questions/7259974/how-to-cc-on-drupal-mail
I believe explode() should have a better performance.
This has been fixed on 7.x branch, moving the ticket to 6.x branch.
Fixed for D6 as well.
Automatically closed -- issue fixed for 2 weeks with no activity.
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