On Fri Jun05'26 02:36:20PM, Kurt Hackenberg wrote: > From: Kurt Hackenberg <[email protected]> > Date: Fri, 5 Jun 2026 14:36:20 -0400 > To: [email protected] > Subject: Re: how does mutt (the code) determine unread email? > > On Fri, Jun 05, 2026 at 10:17 -0500, Ranjan Maitra via Mutt-users wrote: > > > I use the Maildir++ format with mutt.... > > > Now it is my understanding that mutt moves accessed email from new to > > cur when a folder is accessed. However, the coloring appears to indicate > > that the mail is not read (unless we go to that message/file). Where > > does it get this information from? Is it from the access time of the > > file in cur which if later than the creation/edited time for the file is > > assumed that the file is read? Or something else? > > I believe Mutt uses the maildir mechanism: when it displays a message, it > sets that message's flag "seen", by adding the character 'S' in an optional > short string near the end of the message filename. > > See Wikipedia on maildir: > <https://en.wikipedia.org/wiki/Maildir>
Yes, of course! I am sorry, I completely forgot about looking into the actual Maildir structure. Thank you for pointing this out. Best wishes, Ranjan
