To whitelist means to tell your email client that you want emails from this sender.
To be sure that you receive project tutorials and other cool stuff, make sure you whitelist my email address.
Click on the email client you use and follow the whitelisting instructions:
Gmail
Yahoo
Hotmail
AOL
Outlook
MacMail
Verizon
Comcast
Cox.net
Road Runner
AT&T WebMail
EarthLink
Thunderbird
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Norton AntiSpam
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GMX

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