Maybe helpful, but potentially different requirements: https://drewdevault.com/2020/06/19/Mail-service-provider-recommendations.html https://drewdevault.com/202

Maybe helpful, but potentially different requirements: https://drewdevault.com/2020/06/19/Mail-service-provider-recommendations.html https://drewdevault.com/2020/06/19/Mail-service-provider-rec...