Google suggests available addresses when signing up to Gmail. Perhaps they could...

		1vuio0pswjnm7 on Dec 4, 2020 \| parent \| context \| favorite \| on: An update to storage policies across your Google A... Google suggests available addresses when signing up to Gmail. Perhaps they could try to address the problem of mispellings and typos by at least warning the user about the Levenshtein distance from similar, already registered addresses, and the potential for misdirected email as a result.

This would allow to guess existing email addresses which is not a good idea.