Bulk / Mass Email Sending (marketing) Best Practices Trainin

I need somebody who can give me the result of his experience in this subject, who has a big experience in bulk / mass email sending, I need to know the best methods to send mass emails to existing list of emails, I want the most effective solution (software or web-based service) in term of risk avoidance and cost, the best solution will be free or in worst case semi-free & have the following achieved through it: - I can deliver my emails to the inbox of my clients and pass the spam filters - I avoid any problem from my local ISP – (UAE) - Send thousands of emails daily (unlimited is best) - And avoid any other risks that I don’t know If the provider satisfies my needs 100% extra incentive of 30% will be added In case the provider has other value techniques related to internet marketing it possible to have long term relation and extended business together Only serious providers with proved history will be considered, so please don’t waste your time & mine if you didn’t match Notes: - I have paid account in Aweber but I can’t add my list which I purchase it to my Aweber lists - Also I have free MailChimp account, I tried to send mass email but they block my account