I use Outlook for day-to-day mail but for lists use Thunderbird as the
threading makes things much easier.
and no apology necessary as if you haven't used a threaded email client
you'd never have seen the issue.
Comments to the Webmaster are always welcomed, please use
this contact form
. Note that as this site is a mailing list archive, the Webmaster has no control
over the contents of the messages. Comments about message content should be directed
to the relevant mailing list.