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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)@gmx.net
(EMAIL)@soft-systems.net
(EMAIL)@cns.donetsk.ua
(EMAIL)@cdmaua.com
(EMAIL)@gmail.com
(EMAIL)@ntlworld.com
(EMAIL)@un.kiev.ua
(EMAIL)@nikanet.com
(EMAIL)@btconnect.com
(EMAIL)@stsophia.ua
(EMAIL)@mail.ru
(EMAIL)@avtoindex.com
(EMAIL)@controlpay.com
(EMAIL)@mail.ru
(EMAIL)@btconnect.com
(EMAIL)@abbon.net
(EMAIL)@ukrpost.net