Originally Posted by Markul

I've been through most of them, eventually you'll end up with your own solution if you mail a lot - even when you mail a little, nothing will beat this:

1. Install Sendy.
2. Clean your lists (.datavalidation.com works for me)
3. Register with AWS (aws.amazon.com/ses/)
4. Raise your limit with AWS
5. Send mails until you are blue in the face at a fraction of the cost of everyone else with a WAY higher delivery rate.

Thank me later.