…or one such protocol, see the Author Domain Signing Practices (ADSP) document [ RFC5617 ]). Such protocols will not be applicable to messages that lack an actual email address (whether real or fake) in the "From:" field. Local policy will determine how such messages are handled, …

…(for one such protocol, see the Author Domain Signing Practices (ADSP) document RFC5617 ]). Such protocols will not be applicable to messages that lack an actual email address (whether real or fake) in the "From:" field. Local policy will determine how such messages are handled, …

…for one such protocol, see the Author Domain Signing Practices (ADSP) document [RFC5617]). Such protocols will not be applicable to messages that lack an actual email address (whether real or fake) in the "From:" field. Local policy will determine how such messages are handled, a…

…(for one such protocol, see the Author Domain Signing Practices (ADSP) document RFC5617 ]). Such protocols will not be applicable to messages that lack an actual email address (whether real or fake) in the "From:" field. Local policy will determine how such messages are handled, …