Corporate email services

This is a collection of links to pages that say why it is not a good idea to use certain email providers

Gmail

 

Yahoo!

Both

Hotmail

 

Hushmail

PROTONMAIL

ProtonMail Did It Again: Secretly Changed Transparency Report
byu/Dindu1 inProtonMail

Protonmail’s case on real-time surveillance article is not available in 2020

There is a copy on the webarchive There are, however, reports and comments on the article now deleted:

https://www.wilderssecurity.com/threads/protonmail-voluntarily-offers-assistance-for-real-time-surveillance.417157/ screenshot for good measure?