You can also do things like a wildcard on a subdomain like dodgywebsite@auto.yourdomain.com.
Otherwise subaddressing with + works well with most mail hosts other than Microsoft Exchange / Office365 (which have had endless problems).
Otherwise subaddressing with + works well with most mail hosts other than Microsoft Exchange / Office365 (which have had endless problems).
The advantage of Masked Emails is that third parties won't even know about mydomain.com. The disadvantage is that you need 1Password to recall which email address you used with a particular website.