American Express is a international company and it operating in many countries with partnership. American Express was founded int he year of 1850 by William Fargo, Henry Wells, John Warren Butterfield in Buffalo, New York, United States.
ProtonMail Visionary: ProtonMail Visionary is our top tier plan. It gets its name from a group of crowd-funding contributors who donated a significant amount of funds in 2014 to make ProtonMail possible in the first place.
By upgrading to a paid plan, you are supporting our mission of providing easy to use encrypted email to citizens around the world for free. ProtonMail Plus: ProtonMail Plus is our basic paid plan that comes with numerous extra features. Sending limit: 300 messages/hour and 1000 messages/day*.