Hansm

Im searching for a good professional email program with the follow features for a client of mine:
- web-based solution
- reliable and robust
- send out html and text versions
- send out facility
- manage soft and hard bouncebacks
- integrates with unsubscribe system
- don't mind if it is software that we buy or web site that we use
- set up different motive designed templates to be used by clients
- clients able to send out their own emails
- us to send out client emails
- individual IP address so we don't end up using a blacklisted IP address.
- need capability to send up to 30,000 emails, no more.

Let me know urls, thanks alot.