I've tracked the bug back into /usr/bin/xdg-email I think.
- Bug#966286: nemo-data: 'Send by email' misbehaves when pa... Howard Johnson
- Bug#966286: nemo-data: 'Send by email' misbehaves wh... Howard Johnson
- Bug#966286: nemo-data: 'Send by email' misbehave... Norbert Preining
- Bug#966286: xdg-email (as used in nemo-data, where '... Howard Johnson
- Bug#966286: Minor correction: xdg-email (as used in ... Howard Johnson