On 15/06/20 11:44 pm, Greg Wooledge wrote: > On Sun, Jun 14, 2020 at 10:13:11AM -0500, David Wright wrote: >> On Sat 13 Jun 2020 at 16:05:17 (+0200), l0f...@tuta.io wrote: >> > However, this extra ">" should have been deleted upon viewing the email, >> > no? >> >> How would the viewer's email client know whether the > in >> >From had been added by some such scheme as above and should >> be removed, or was a genuine occurrence in the original email? > > Exactly. It's a non-reversible mangling of the message body, prompted by > an extremely well-known limitation of the mbox formats. > > See <https://jdebp.eu/FGA/mail-mbox-formats.html> for more details. > In particular, we're talking about the > <https://jdebp.eu/FGA/mail-mbox-formats.html#mboxo> section. > > This same discussion seems to happen every month on this list, and it's > still not clear to me WHY people can't understand it. It's not a new > phenomenon. It's been this way forever. >
I understand the phenomenon. I don't understand why modern software (eg the list software) still does it. Richard