The most common Kostin, Ruffkess & Company, LLC email format is [first_initial][last] (ex. jdoe@kostin.com), which is being used by 100.0% of Kostin, Ruffkess & Company, LLC work email addresses.
Email Format | Example | Percentage |
---|---|---|
[first_initial][last] | jdoe@kostin.com |
100.0%
|
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