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Techlore TutaPrivacy interview
(monero.town)
Tuta interview by Techlore
Tuta is secure email with automatic encryption. Private by design, open source & free. Imprint: http://tuta.com
Tuta accepts Monero as payment.
Vik Sharɱa has criticized Proton after they advertise with privacy but do not support XMR.
Douglas Tuman mentioned Tuta.
do they directly take actual XMR, or do you mean that they sell vouchers to Proxy Store that Proxy Store then resells for XMR? as far as I know, it's the latter, and there is a huge difference between the two.
But you can ask if you can send directly, the support is very nice and open.