Re: Rmail tips

[Colin Baxter]

>>>>> Ben Hancock <ben@benghancock.com> writes:

    > I don't think so; from what I can tell, the U flag is set on
    > messages that Rmail retrieves out of what it calls the "inbox" -
    > either a system mailbox, or a remote mailbox. See (info "(emacs)
    > Rmail Inbox").

That makes sense.

    > You may be able to use procmail to add the header as messages to
    > come in, perhaps in combination with formail. I don't use
    > either, but based on docs it seems possible:

    >   https://linux.die.net/man/1/formail

I'll give that a try, thank you for all your help.

Best wishes,

Colin.