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Note:

The emails are given for an idea about domains and types of emails. The initial ID of email has been removed with (EMAIL) letters in these sample addresses 

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(EMAIL)@alphatrans.co.kr
(EMAIL)@bestever.co.kr
(EMAIL)@keb.co.kr
(EMAIL)@kpca.co.kr
(EMAIL)@ace-trading.co.kr
(EMAIL)@aceguitars.co.kr
(EMAIL)@designace.co.kr
(EMAIL)@hanmail.net
(EMAIL)@etri.re.kr
(EMAIL)@hotmail.com
(EMAIL)@aceonedent.com
(EMAIL)@paper-cup.co.kr
(EMAIL)@lycos.co.kr
(EMAIL)@hanmail.net
(EMAIL)@aceteq.co.kr