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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)@barwa.com.qa
(EMAIL)@qu.edu.qa
(EMAIL)@qp.com.qa
(EMAIL)@qatar.net.qa
(EMAIL)@rasgas.com.qa
(EMAIL)@qapco.com.qa
(EMAIL)@kahramaa.com.qa
(EMAIL)@seashoregroup.com.qa
(EMAIL)@qcon.com.qa
(EMAIL)@mannai.com.qa
(EMAIL)@gmail.com
(EMAIL)@hmc.org.qa
(EMAIL)@aeb-qatar.com
(EMAIL)@aljol-qatar.com
(EMAIL)@maktoob.com