4 ms·FWIW I've been using protonmail for 3 years and never had any issues with email deliveries.by sabellito 4y agoFWIW I've been using protonmail for 3 years and never had any issues with email deliveries.CharlesW 4y agoUsing @protonmail.com, @pm.me, or your own domain name?sabellito 4y agoA mixture of the 3 actually. I use each for different purposes.