Advanced php MassMail Sender

We are look for an already made php mail sender that will match for our requirements because we don't have a big budget for this task. So who is already have this php mail sender can bid and message me with a link with a demo so i can test it. This php mail sender must be able to: 1. SEND USING SOCKS AND PROXY (for all methods - direct send, smtp send) 2. SEND USING MULTIPLE SMTP (i need to be able to add multiple smtp servers with auth and sender must send random e-mails with each smtp server until finish the task). 3. SENDING FROM MULTIPLE SENDERS. 4. SENDING WITH MULTIPLE SUBJECTS. 5. SENDING WITH MULTIPLE HTML NEWSLETTERS. This will be all i need from an php e-mail sender. Waiting for your offers.