On Thursday 17 Jul 2008, Saifi Khan wrote: > i was trying to setup POP access for gmail in fetchmail > and read this line. > > "There are mechanisms in both POP and IMAP for determining > if a given message has been downloaded before" > > Does anybody know how is this implemented ?
I am not an expert on the subject matter. Each message has an id called message uid. It is used for tracking what has is new v/s what is old/downloaded. -- Arun Khan
