If this is a low traffic list, I’m hosting one for free via Mailgun (which has bi-directional support). Benefit is that you get to keep it on your own domain wh

If this is a low traffic list, I’m hosting one for free via Mailgun (which has bi-directional support). Benefit is that you get to keep it on your own domain while avoiding deliverability issues. It doesn’t have a self subscribe thing though - look at subgun/audience. There are a few alternatives.