Fastmail is another option that supports custom domains and wildcard addresses. It’s about $5 a month. Once you start utilizing your own domain, you can easily change email hosts if you don’t like one. The hardest part of this process is changing every service from your current Gmail or whatever address because you have to do it one at a time.

Fastmail will be your email host and you can send email using From addresses in your domain.

Just go to the box office when you get there and present an ID that matches the name the tickets were purchased under. Depending on the venue, they will either print your ticket or text you a link that opens a page in your browser that can be scanned.