Hi Timo,
no, our technicals says we are not reachable from the outside ( ssl,vpn,proxy, intranet..). We can send campaigns that arrive to customers but if they open the e-mails, the services are not triggered to send emails or to track campaign success.
I think this is one of the most important features of HM ( Automation, trigger based campaign etc...)
But we are still looking to a solution.
Regards,
Yoro