25 tips to secure your Android phone (2021)
Be paranoid on your Android phone. Defend yourself against thief, trackers and hackers by tuning safe setups and using security apps.
CTemplar
CTemplar, open source and zero data access is an anonymous and end-to-end encrypted email to anyone who needs their communications shielded from prying eyes. 1GB storage is free.
It is available on mobile apps: Android and iOS.
More info: https://ctemplar.com
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CTemplar review: free anonymous mailbox with no log policy in 2021
CTemplar is an encrypted totally anonymous mailbox, with no-log policy, much more safer than proton and tutanota