Are One-Click Unsubscribe Links in Email Hurting Your Marketing?

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It wasn't until a fan of the Litmus newsletter unsubscribed that the team at the email testing and tracking company thought something was awry.
You see, not only was this person a long-time subscriber, but he had just shared an email newsletter with 85 of his co-workers. That didn't strike them as being the behavior of someone who would then go on to unsubscribe, and it left them scratching their heads.
After some investigation..