I have received the email. Here are the exact words from it:
10th anniversary of Kaspersky Lab’s forum
We are excited to have you celebrate with us!
We also want to thank you for your loyalty and activity!
Here is a special gift just for you:
Kaspersky Password Manager Premium
Get your activation code here. <<=== The link was here
If you own a startup or work for a small business we have another gift for you – Kaspersky Small Office Security.
Give it a try for 3 months here.
You have received this message because you registered on the forum https://forum.kaspersky.com/
© 2016 AO Kaspersky Lab. All rights reserved.
Our mailing address is: firstname.lastname@example.org
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There was a link to "Get your activation code here". Clicking that link took me to a web page (not an email), where I have typed my email address and was told I should be sent a license for the Premium version soon. I have waited until later, but nothing happened. I have clicked the link and tried a few more times, where in EACH time I was told I would receive a license by email. Now 6 days have passed, and nothing happened.
By the looks of it, I am not the only one who didn't get a reply. And what's worse - I come here to ask about it and I am called a liar. Nice, very professional.