jcranmer was fairly obviously making the point that all of this has long since been invented and done and doesn't require all of the from-scratch work here in 2

jcranmer was fairly obviously making the point that all of this has long since been invented and done and doesn't require all of the from-scratch work here in 2020 that clarry asserts. For one ironic example: Thunderbird is better at picking up local mail from a local IMAP server than it is at talking directly to a ~/Maildir/ or a ~/Mailbox .