It is certainly possible, although you have to deal with the reputation of your server's current IP addresses. If you don't want to deal with that, you can sti

It is certainly possible, although you have to deal with the reputation of your server's current IP addresses. If you don't want to deal with that, you can still run the list yourself and just smarthost through a legitimate email provider. If you're afraid of leaking addresses, just find one that does short term or no logging.