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The most common GreyCastle Security email format is [first_initial][last] (ex. jdoe@greycastlesecurity.com), which is being used by 98.4% of GreyCastle Security work email addresses.

Other common GreyCastle Security email patterns are [first].[last] (ex. jane.doe@greycastlesecurity.com) and [first_initial]-[last] (ex. j-doe@greycastlesecurity.com). In all, GreyCastle Security uses 3 work email formats.

GreyCastle Security Email Formats and Examples

Email Format Example Percentage
[first_initial][last] jdoe@greycastlesecurity.com
98.4%
[first].[last] jane.doe@greycastlesecurity.com
0.8%
[first_initial]-[last] j-doe@greycastlesecurity.com
0.8%

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