mm-verify-function-alist

mm-verify-function-alist is a variable defined in `mm-decode.el'.
Its value is

(("application/pgp-signature" mml2015-verify "PGP" mml2015-verify-test)
 ("application/x-gnus-pgp-signature" mm-uu-pgp-signed-extract-1 "PGP" mm-uu-pgp-signed-test)
 ("application/pkcs7-signature" mml-smime-verify "S/MIME" mml-smime-verify-test)
 ("application/x-pkcs7-signature" mml-smime-verify "S/MIME" mml-smime-verify-test))

Documentation:
Not documented as a variable.