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The most common Protocol4 email format is [first] (ex. jane@protocol4health.com), which is being used by 100.0% of Protocol4 work email addresses. Other common Protocol4 email patterns are [last] (ex. doe@protocol4health.com) and [first]_[last] (ex. jane_doe@protocol4health.com). In all, Protocol4 uses 7 work email formats.
| Email Format | Example | Percentage |
|---|---|---|
| [first] | jane@protocol4health.com |
100.0%
|