I have a boatload of folders on my IMAP servers that I don't need day-to-day -- they are really archives. Using Apple's mail application, there's no way to unsubscribe from folders, so these archive folders make my folder display very cumbersome.
Is there a third party iOS email app that makes it possible to unsubscribe from IMAP folders? I see a lot of email app reviews and best ofs, but this feature is niche enough not to rate a mention.
It's hard to search for an answer with something like Google, because these apps mostly support some means to unsubscribe from mailing lists, so I get lots of (nothing but!) false positives.