Question 1

How secure is Encrypt.to compared to traditional PGP software?

Accepted Answer

Encrypt.to uses standard PGP encryption, but as a web service, it requires trusting the server; self-hosting the open-source code can mitigate this, though it adds setup complexity. For maximum security, traditional client-side PGP might be preferred.

Question 2

Can I use Encrypt.to without putting my key on a public server?

Accepted Answer

Yes, you can upload your public key to Encrypt.to's private server by exporting it from tools like GPGTools and pasting it into their sign-up form. This adds privacy but requires manual steps.

Question 3

How to deploy Encrypt.to on my own server?

Accepted Answer

Use the secure contact form versions available in PHP, Perl, or Ruby from the GitHub repositories. The Ruby version is optimized for Heroku, and each has instructions for self-hosting.

Question 4

Encrypt.to vs ProtonMail: which is better for encrypted emails?

Accepted Answer

Encrypt.to is for sending PGP-encrypted messages via URLs, ideal for one-off communications. ProtonMail is a full email service with built-in encryption. Choose Encrypt.to for simplicity with existing PGP keys, and ProtonMail for integrated email solutions.

Question 5

Does Encrypt.to work on mobile devices?

Accepted Answer

Yes, it supports mobile browsers like Chrome >=64, Android >=62, Opera >=37, and Safari iOS >=8, as specified in the README. However, performance may vary on older devices.

Question 6

How to import my PGP key to Encrypt.to's private server?

Accepted Answer

Export your public key using a tool like GPGTools or command line, copy the block from BEGIN PGP to END PGP, and paste it into the sign-up form on Encrypt.to's website. Detailed steps are provided in the README.

Question 7

Is Encrypt.to open source and auditable?

Accepted Answer

Yes, it's MIT licensed with source code on GitHub, and a security audit tool is linked for verification. However, regular audits are not guaranteed, so users should review the code for critical deployments.

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