On 27/10/2019 18.20, Stephen Satchell wrote: >> are you perhaps confusing decryption with verifying the senders signature ? > > No. Signature verification and decrypting are two separate operations. > You will have to investigate how your mail client handles mail that has > been encrypted with one key, and signed by another.
email is always encrypted with different key, than the one it is signed with. For signing, senders private key is used. For encryption, my my public key is used.