Email providers from European companies, as alternatives to Gmail and Outlook, from end-to-end encrypted services such as Proton Mail and Tuta Mail to classic webmail.
Yes. SimpleLogin, netim, GMX Email, WEB.DE E-Mail, Mailo, Mailfence, mail.de, eclipso and 2 more (see the table) are free or have a free plan, according to the pricing each company publishes. Free plans usually carry limits; each product page links to the company's terms.
Which European email services are open source?
Tuta Mail and Proton Mail publish their source code under an open-source licence. Each product page shows the licence and where the code is.
Which European email services can you host yourself?
SimpleLogin can be run on your own servers, according to its own documentation.
