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Re: Messages change when I inc and then packf

From: Ralph Corderoy
Subject: Re: Messages change when I inc and then packf
Date: Sun, 26 Jul 2020 15:18:32 +0100

Hi David,

> What's the best way to fix?  If no address, wait to see if the
> next line(s) is/are continuation lines?

Handle the field spread over multiple physical lines?
Also, cope with the field name in a case-insensitive manner.

- Get a line.
- Loop:
    - Get a character.
    - If that's the white-space which marks a continuation line then
        - Append it.
        - Get a line and append it.
    - Else
        - Unget the character.
        - Break.

> Or, can "From " have a continuation line?

No, it's not a header field but a bit of mbox structure, and mbox
doesn't allow it to be continued.

> Does a timestamp have to be added if not present?  It isn't with
> X-Envelope-From.

RFC 4155, App. A, says a UTC time-stamp has to be present so the
omission looks like a bug.  https://tools.ietf.org/html/rfc4155

Cheers, Ralph.

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