I have a Google account which I currently use to handle my emails and calendar. Regarding emails, I want to switch to my own domain, but continue using Google Inbox/Gmail. This works perfectly fine regarding emails, but I have problems with the calendar. When someone sends me an appointment to my Gmail address, I can simply accept it, the sender gets a notification, and the appointment appears on my calendar. But when I receive an appointment with my custom domain, I can only accept it when I am not logged in to Google, and there is no way to get them to appear in my calendar.
Any ideas on this?
UPDATE Dec 2nd
Alright, it seems that I wasn't precise enough. I have a Google Account which I use for every Google service, e.g. Google Calendar and Google Inbox, among others. Sometimes I use Gmail as well. I also have a custom domain including an email address. The emails are forwarded to my Gmail address. Sending from the custom domain is configured in Gmail as well (and also works in Google Inbox). The email address from my custom domain is also added as a secondary address to my Google account.
If someone sends an event, and I click Yes (meaning "accept event"), it says:
Google calendar invitations can't be forwarded by email. This event belongs to firstname.lastname@example.org, and you are logged in as email@example.com.
If I am not logged in to Google (e.g. if I open the link in another browser, the event gets confirmed to the inviting person as it should. But it doesn't appear in my Google calendar.