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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)@olayangroup.com
(EMAIL)@iccs.gr
(EMAIL)@zefxis.gr
(EMAIL)@alacarte-travel.com
(EMAIL)@hccnet.nl
(EMAIL)@mailbox.uq.edu.au
(EMAIL)@flashnet.it
(EMAIL)@hccnet.nl
(EMAIL)@host.net
(EMAIL)@which.net
(EMAIL)@infosys.tuwien.ac.at
(EMAIL)@ieee.org
(EMAIL)@aluminco.gr
(EMAIL)@mail.ahk-germany.de
(EMAIL)@post.harvard.edu
(EMAIL)@besecure.gr
(EMAIL)@helic.com