When you buy a custom domain, your name and address are public in the WHOIS database unless you pay for "WHOIS Privacy" (most registrars include it for free now). If total anonymity is required, use a privacy-focused registrar like .
The temporary email addresses have a limited lifespan (configurable by the user within certain limits, e.g., from a few minutes to several days). create temporary email with custom domain
These services allow you to link your domain and create "on-the-fly" addresses that forward to your real inbox. Forward Email When you buy a custom domain, your name
This allows the user to generate infinite, random addresses (e.g., netflix_test@mytempdomain.com , shoe_sale@mytempdomain.com ) without configuring them in advance. These services allow you to link your domain
Allows you to connect your own domain for free. You simply add the domain to your account and update your MX records in your DNS settings. It then generates receive-only inboxes that look like normal business emails.