ProperCRE Email Format

The most common ProperCRE email format is [first_initial][last] (ex. jdoe@propercre.com), which is being used by 71.8% of ProperCRE work email addresses.

Other common ProperCRE email patterns are [first][last] (ex. janedoe@propercre.com) and [first][last_initial] (ex. janed@propercre.com). In all, ProperCRE uses 4 work email formats.