Ensure Junk and other system folders always appear in sidebar

Adds guaranteed system folders (INBOX, Sent, Drafts, Junk, Trash, Archive) to the folder tree even if they don't exist on the IMAP server yet.

就像你看到的运输?

所有东西都是靠自己运入你的工作空间的从免费计划开始,一个月后再读这页.