Regarding DDOS, ProtonMail has since installed a mitigation system to prevent this. https://protonmail.com/support/knowledge-base/email-ddos-protection/ https:

Regarding DDOS, ProtonMail has since installed a mitigation system to prevent this. https://protonmail.com/support/knowledge-base/email-ddos-protection/ https://protonmail.com/support/knowledge-base/email-ddos-pro...