No, abuse@ is not some sort of Google invention but to the best of my knowledge was an informal convention that then got formalised in RFC 2142 [1] in 1997 alon

No, abuse@ is not some sort of Google invention but to the best of my knowledge was an informal convention that then got formalised in RFC 2142 [1] in 1997 along with many other common mailbox names. If Google sets this up automagically for their users it is great, but they are merely continuing this long tradition. [1]: https://www.rfc-editor.org/rfc/rfc2142.txt https://www.rfc-editor.org/rfc/rfc2142.txt