Yahoo restricts access to your mail if an ad-blocker is installed, states it was just a test - Neowin
Is there a way to prove when an email I received on Yahoo was opened? - Quora
Yahoo Mail Obstructing AdBlock Users From Signing In [UPDATE: Statement] - SlashGear
Why is Yahoo so inept at blocking spam from my Yahoo email account? I get the same “Lonely Married Women” email every day. I understand that the spam email address changes every
4 Ways to Block Banner Ads in Yahoo Mail - wikiHow
How to opt out of Yahoo Mail's invasive data scanning - The Verge
How to Block Ads on Yahoo Home Page
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Yahoo stops some users accessing emails in ad-blockers row - BBC News