> A nice additional benefit is the ability to handle wildcard email addresses … > When someone sells an email address or starts spamming it, I can cut it off.

> A nice additional benefit is the ability to handle wildcard email addresses … > When someone sells an email address or starts spamming it, I can cut it off. If you have your Fastmail account configured for wildcard, or "catch-all" addressing, does it let you cut off specific aliases? G Suite/Workspace lets you do catch-all addressing but if one address starts getting spammed, there doesn't seem a way to make it bounce, you can only filter it out. One thing Fastmail Standard accounts have over G Suite/Workspace is allowing an order of magnitude more specific aliases. When you use the address-per-site technique you describe you can easily hit the few dozen alias limit per-account on G Suite/Workspace.