Howto use KGpg

Get my public key

KGpg allows you to manage your keys:

KMail allows you to encrypt and sign your mail:
KMail Send

KMail Approve

This is what an attacker sees (nothing useful):
KMail Receive Encrypted

KMail allows you to receive and decrypt your encrypted mail:
KMail Receive Decrypted

Introduction to command-line GnuPG