Challenge Network Email Format

The most common Challenge Network email format is [first].[last] (ex. jane.doe@challengenetwork.it), which is being used by 90.6% of Challenge Network work email addresses.

Other common Challenge Network email patterns are [first][last] (ex. janedoe@challengenetwork.it) and [first] (ex. jane@challengenetwork.it). In all, Challenge Network uses 3 work email formats.