On: An update on leaving Gmail for Fastmail

[rationalist]

Running a relatively-small opt-in email list, I've had problems with deliverability to Proton.

[bix6 → rationalist]

Do you know if it’s @proton domains specifically? Eg are custom domains similarly affected?

[rationalist → bix6]

I only received complaints from people with @proton addresses. Very few people use non-free email addresses.

[xkcd1963 → rationalist]

You should really stop spamming.