I've used MailChimp a lot and it's good Campaign Monitor is awesome from a templating standpoint. Sendy is by far the cheapest and is self hosted (I haven't use

I've used MailChimp a lot and it's good Campaign Monitor is awesome from a templating standpoint. Sendy is by far the cheapest and is self hosted (I haven't used this so can't say whether it's any good or not)