group -group nosign -rx .*@incoming.gitlab.com
 group -group nosign -rx .*@reply.github.com
 group -group nosign -rx .*@googlegroups.com
+group -group nosign -rx .*@st.com
 send-hook .            "set crypt_autosign = yes"
 send-hook "%t nosign"  "set crypt_autosign = no"