On Friday, 09 December 2011 at 09:23, Brendan Cully wrote: > > I've realised I didn't have to put you through that, because the > answer was in the first transcript: Communigate doesn't appear to > support custom flags (there's no '*' in PERMANENTFLAGS), so mutt isn't > trying to set the Old flag. > > This changed for you because mutt stopped relying on the Recent flag > to distinguish between new and old messages (the flag is very > unreliable in many contexts). I think we could fix this case in mutt > if you have hcache enabled by storing the Old flag in the header > cache.
https://dev.mutt.org/trac/ticket/3554
