Often bundles a free domain with their email plans, making it easy to set up a professional-looking temporary identity. titan.email
Sign up for a service, verify domain ownership via TXT/MX records, and create temporary aliases. create temporary email with custom domain
Free (Cloudflare), no server to manage. Cons: Expiration still requires scripting or manual deletion. Often bundles a free domain with their email
Use a pattern like [service-name]@[yourdomain.com] . This makes it incredibly easy to identify which company leaked or sold your data. verify domain ownership via TXT/MX records