... int imap_delete ( int imap_stream, int msg_number [, int flags]) . ... imap_delete() marks messages listed in msg_number for deletion. ... Messages marked for deletion will stay in the mailbox until either imap_expunge() is called or imap_close() is called with the optional parameter CL_EXPUNGE. ... imap_last_error()); $check = imap_mailboxmsginfo ($mbox); print "Messages before delete: " . ... br>\n" ; imap_delete ($mbox, 1); $check = imap_mailboxmsginfo ($mbox); print "Messages after delete: " . ...