On Wed, 2013-08-14 at 11:12 +0100, Klaus wrote: > How have you included quotes in the past? Did you manually copy and > paste them? Even that can be done, using "Edit -- Paste as Quotation" > or "Ctrl+Shift+O" . This can be done, but should be done with caution. I rarely sort my mails by thread, but many people on this list do this by default.