Has anyone successfully setup Mandrill with CiviMail for bulk?
I've been doing some testing with the last release of the Mandrill Emails Extension and it's looking pretty quick and simple with the new version to do both transactional and bulk mailing (CiviMail) through Mandrill. Basically you install it, plug in your Login/API credentials (Administer > System Settings > Mandrill Smtp Settings), and indicate one or both of the types of email you'd like to use Mandrill for:
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To get the report backs on bounces and the like, you use the "Mandrill Post to URL" on that screen to set up a Webhook in your Mandrill account and get notifications for all events except a message being sent:



In the little testing I've been able to do, it seems pretty much plug-and-play in terms of the bounce reporting getting back into CiviCRM.

The updated README is quite thorough, too.