Comment by _odey

Just tried it, I can write an email from one of my addresses: [email protected], [email protected], [email protected].

But not from an alias: [email protected], [email protected], [email protected].

Addresses are limited in number, 5 on my plan. Aliases are unlimited.

For the second, they've already implemented a feature on their web client to download emails locally so you can search in the body of the messages.

See: https://proton.me/support/search-message-content#the-index-o...