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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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abc@gmx.de
abc@t-online.de
abc@a-an.de
abca-appel@gmx.de
abc@freenet.de
abc@freenet.de
abc@gmx.de
abc@t-online.de
abc@t-online.de
abc@web.de
abc@gmx.de
abc@guggolz.net
abc@foni.net
abc@onlinehome.de
abc@arcor.de
abc@free.de
abc@metronet.de