/* Prefix
envelope_is reserved. */
#include <mailutils/envelope.h>
Get the address that this message was reportedly received from. This would be the "mail from" argument if the message was delivered or received via SMTP, for example.
Primarily for internal use. The implementation of
envelope_t
depends on the mailbox type, this allows the function which actually gets the sender to be set by the creator of anenvelope_t
.