[citricsquid]

Doesn't the google spam thing affect the global standing of the sender? If that's the case it's probably the good internet citizen thing to unsubscribe without marking as spam if it isn't spam, otherwise it's negatively affecting the deliverability of someone legitimate.

[Evbn]

This is a feature. If an email newsletter doesn't have a functioning opt out (one that works with email address forwarding , I must add), the sender is not a good internet citizen.