The included patch fixes the problem. It reads header X-Spam-Flag: and cancels the autoreply if this header is set to 'yes' (case insensitive).
Cheers, Lukas.
patch.diff
Description: Binary data
- Bug#593279: Vacation sends autoreply to emails marked as SPA... Lukas Svoboda
- Bug#593279: Patch included Lukas Svoboda
