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one click unsubscribe links
How do you implement those? Many years ago I ran a list which had a one click unsubscribe link and some people kept unsubscribing. It turned out they had some anti-malware service which was opening all links in the email to see if they were malicious, including the unsubscribe link.
jellybaby-
Same way, a link unique to the recipient. Not sure how you get around that particular issue, but thankfully that's not my problem as I'm not a marketer or deliverability expert (yet). But it's an interesting question that I now want to know the answer to.
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Seems to be a few options;
If the "Unsubscribe" page is requested via HTTP GET, it renders a simple confirmation form and a bit of JS that submits the form on page load
If the "Unsubscribe" page is requested via HTTP POST then we unsubscribe the userOr, add a timer so that any immediate clicks (within 5 minutes of the send, say) return a captcha or something.
Probably more elegant ways. But it will be up to the big marketing email providers to work that out.
stevo_com
This is about to become even easier. Later this year, Google (and Apple and Yahoo) will be mandating one click unsubscribe links (rather than being taken to a website and made to log in/fill out a form to unsubscribe) on bulk email. I imagine features within those mailboxes will appear that will allow you to "unsubscribe from all bulk mail", or something similar. Click a button and Gmail will find all those links in your inbox and click them for you, sort of thing.