imap_headerinfo Read the header of the message objectimap_headerinfo resourceimap_stream intmsg_number intfromlength intsubjectlength stringdefaulthost This function returns an object of various header elements. remail, date, Date, subject, Subject, in_reply_to, message_id, newsgroups, followup_to, references message flags: Recent - 'R' if recent and seen, 'N' if recent and not seen, ' ' if not recent Unseen - 'U' if not seen AND not recent, ' ' if seen OR not seen and recent Answered -'A' if answered, ' ' if unanswered Deleted - 'D' if deleted, ' ' if not deleted Draft - 'X' if draft, ' ' if not draft Flagged - 'F' if flagged, ' ' if not flagged NOTE that the Recent/Unseen behavior is a little odd. If you want to know if a message is Unseen, you must check for Unseen == 'U' || Recent == 'N' toaddress (full to: line, up to 1024 characters) to[] (returns an array of objects from the To line, containing): personal adl mailbox host fromaddress (full from: line, up to 1024 characters) from[] (returns an array of objects from the From line, containing): personal adl mailbox host ccaddress (full cc: line, up to 1024 characters) cc[] (returns an array of objects from the Cc line, containing): personal adl mailbox host bccaddress (full bcc line, up to 1024 characters) bcc[] (returns an array of objects from the Bcc line, containing): personal adl mailbox host reply_toaddress (full reply_to: line, up to 1024 characters) reply_to[] (returns an array of objects from the Reply_to line, containing): personal adl mailbox host senderaddress (full sender: line, up to 1024 characters) sender[] (returns an array of objects from the sender line, containing): personal adl mailbox host return_path (full return-path: line, up to 1024 characters) return_path[] (returns an array of objects from the return_path line, containing): personal adl mailbox host udate (mail message date in unix time) fetchfrom (from line formatted to fit fromlength characters) fetchsubject (subject line formatted to fit subjectlength characters)