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Is PGP only for email?
Since its invention back in 1991, PGP has become the de facto standard for email security. The second is that since PGP uses both symmetric encryption and public-key encryption, it allows users who have never met to send encrypted messages to each other without exchanging private encryption keys.
How does PGP provide security in email transmission?
One use of PGP encryption is to confidentially send messages. To do this, PGP combines private-key and public-key encryption. The sender encrypts the message using a public encryption algorithm provided by the receiver. PGP also ensures that the message belongs to the intended recipient.
Can a PGP email address be the same as your PGP key?
If your email address is the same as what is in your PGP key then you can email with a simple rule like anything you set Sensitivity to Confidential > Encrypt. Any encrypted received to this email address will also be decrypted automatically. When rolling out to non-technical users we found this a major benefit.
How can I tell if my email signature is verified in PGP?
Although again if you submit it with an email address to the open PGP global server, it gets signed by that key and if the receiving party has imported the PGP global key, they will get a nice blue border around the email saying this email signature has been verified. Otherwise it will be red and say this the signature cannot be verified.
How to use PGP-ProtonMail support for external email address?
To enable sending PGP email to this contact, click on Trust Key. In the popup, make sure to turn on “Use for encryption”. Then click on Trust Key in the popup. Now PGP encryption is set up between ProtonMail and the external email address.
Is there a way to use PGP with someone else?
By far the easiest way to use PGP with someone else is for both you and your contact to create a ProtonMail email address. It’s free and takes less than a minute — you can sign up here.