How can we ensure the best practice with mail pgp when the recipient is not using it?

How can we ensure the best practice with mail pgp when the recipient is not using it?, so when Bob send the vary first email to Alex, Bob signing and encrypted it?

Q1. In that case, Is Alex able to read the message? With signing and encrypting the mail, how doe those two steps help Bob in the first place comparing to just address, content to alex@example.com?

Found this question, but not sure what exactly we need to do

How do we ‘initiate’ mail exchange with PGP

Continue reading How can we ensure the best practice with mail pgp when the recipient is not using it?

PGP key pair – How to set up for multiple users to decrypt messages with Kleopatra

This is my first project of this nature, and I am hoping this is a basic use case for PGP encryption. Please forgive my ignorance!
There is a server being configured by a service provider (SP). The SP is distributing files on their server…. Continue reading PGP key pair – How to set up for multiple users to decrypt messages with Kleopatra

what is the safest way to open/decrypt an encrypted gpg/pgp file in memory | gnu/linux debian?

I would like to open/decrypt an encrypted gpg/pgp file in the main memory without leaving any footprints on the file system including swap,etc.
what is the safest option on a gnu/linux debian from this selection:

tmp
tmpfs
ramdisk
ramfs

Continue reading what is the safest way to open/decrypt an encrypted gpg/pgp file in memory | gnu/linux debian?