From: "ABC" <A@B.C>
Subject: xyz

cat msg |
openssl smime -stream -sign -inkey ../../samotop-server/Samotop.key -signer ../../samotop-server/Samotop.crt |
openssl smime -stream -encrypt ../../samotop-server/Samotop.crt |
openssl smime -stream -decrypt -inkey ../../samotop-server/Samotop.key |
openssl smime -stream -verify -noverify |
tee msg