Mailroom / incoming email IMAP folder keeps filling up, should be cleaned automatically
I just got an email from my mail server telling me that the IMAP account I use for GitLab's "reply-by-mail" is 95% full. And indeed, the folder is 49MB in size. It seems that GitLab just leaves incoming email there and never bothers to clean it up. That sounds just wrong, how is an account used only by a machine meant to be sustainable long-term if email is never deleted? 50MB is not a huge quota, but no matter how large I make it, it's going to fill up eventually. Probably, most of it is spam anyway.
There should be a way to tell GitLab to delete all mail in that inbox after it has been processed, or maybe after some X days.
This is with GitLab 9.2.5.