> On 26 September 2018 at 18:42 Daniel Miller <dmil...@amfes.com> wrote: > > > As the subject says. This may be a bit open-ended - but it would really > help troubleshooting some obscure folder issues. > > In my case, I happen to have both some "real" folders and also some > "virtual" folders that respond to IMAP LIST commands with the > "\NoSelect" flag - and I don't know why. Via telnet, I can manually > issue SELECT, SEARCH, and FETCH for such folders without errors. > > -- > > Daniel >
\NoSelect folders are usually namespace boundaries and non-existing folders, such as parents for children in systems where the parents do not need to exist for real. You should not be able to SELECT a \NoSelect folder. Aki