proof3 training Email Format

The most common proof3 training email format is [first].[last_initial] (ex. jane.d@proof3.com), which is being used by 60.6% of proof3 training work email addresses.

Other common proof3 training email patterns are [first] (ex. jane@proof3.com) and [first].[last] (ex. jane.doe@proof3.com). In all, proof3 training uses 3 work email formats.