Hi Stefano,
Many thanks for your fast answer,
In fact List-Unsubscribe header is present, but for some reasons I don’t see the Unsubscribe button on gmail ( it is a gmail problem i suppose ).
This week I will buy this fantastic plugin!
Many thanks!
Try to think about NO CAPTCHA 😉
you can find Keypic solution also for WordPress here http://ww.wp.xz.cn/plugins/keypic/
