order): \*(lqMail-Reply\-To:\*(rq, \*(lqReply\-To:\*(rq, \*(lqFrom:\*(rq,
\*(lqSender:\*(rq. A \*(lqFrom:\*(rq header MUST exist when the message is
sent to
order): \*(lqMail-Reply\-To:\*(rq, \*(lqReply\-To:\*(rq, \*(lqFrom:\*(rq,
\*(lqSender:\*(rq. A \*(lqFrom:\*(rq header MUST exist when the message is
sent to