I've been using StreamSend for a couple clients. It's not as well known, but they've been around a while and the pay-per-email model really works if you have a large client/prospect base and only email once or twice per month. They're also currenlty running a 30-day free trial.
streamsend.com/...
I've been using StreamSend for a couple clients. It's not as well known, but they've been around a while and the pay-per-email model really works if you have a large client/prospect base and only email once or twice per month. They're also currenlty running a 30-day free trial. streamsend.com/...