error 404 Email Format

The most common error 404 email format is [first][last] (ex. janedoe@amopro.com), which is being used by 33.4% of error 404 work email addresses.

Other common error 404 email patterns are [first].[last] (ex. jane.doe@amopro.com) and [first_initial][last] (ex. jdoe@amopro.com). In all, error 404 uses 3 work email formats.