I’ve been using Ethereal [1] for ages. It works great and has an API. Also totally free. Downside: - it’s hosted, which may not be for everyone if your test e

I’ve been using Ethereal [1] for ages. It works great and has an API. Also totally free. Downside: - it’s hosted, which may not be for everyone if your test emails contain sensitive information. Altho I think it never should. - it sometimes is down - it requires an internet connection [1] https://ethereal.email/ https://ethereal.email/