Change Details

in the mail preview window, mail signatures (e.i., everything from a `-- ` line) by default should be shown using a monospace font.

in the mail preview window, mail signatures (i.e., everything from a `-- ` line) by default should be shown using a monospace font.

in the mail preview window, mail signatures (e.ii.e., everything from a `-- ` line) by default should be shown using a monospace font.