The easiest way to get a fast response to your query is to simply leave a comment here on the website. I typically put a priority on replying to comments over all other communication channels.
If however, you feel that you absolutely must get in touch privately then you can do so using the address below. I would urge you to search the site before reaching out though as there is a very high chance that your question has already been answered.
hello [at] darlay.com
It’s also worth pointing out that as you can likely imagine I receive a high volume of emails & so I kindly ask that you be patient in waiting for a response. For faster responses, please leave a comment here on the website.