Hi @Mike van der Valk 

Do you know if this is solved?

I have used it for quotation to some clients.

But one of the clients mailed me, because they where not allowed to open the link for the quote for security reasons?

Security Warning: This email comes from an external source. Be careful when clicking on the links and attachments. You can report suspicious emails through the Report Message extension.

Thanks for sharing the feedback. I've passed it along to our product team so they can research it and prevent it happening in the future.

Glad to hear you are enjoying the feature!