On 2020-11-25, David Wright <deb...@lionunicorn.co.uk> wrote: > > There's a big difference between the requirements for your local > storage when using POP compared with IMAP. When using POP in a > conventional manner (transfer, and delete at the server end), you > need reliable local storage. And you also need reliable file locking > at least when you're using mbox files.
The requirements may be different, but here, using Alpine, I think the local storage format is identical and unrelated to the protocol used on the server end (POP or IMAP).