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As an example, mailing lists are likely to have a header like "list-unsubscribe: <mailto:list@host.com?subject=unsubscribe>", which enables email clients like o
by CobrastanJorji 5y ago
As an example, mailing lists are likely to have a header like "list-unsubscribe: <mailto:list@host.com?subject=unsubscribe>", which enables email clients like offer easy unsubscribe buttons.
- ev1 5y agoAs a note, this can also be a URL, and can also be used to verify humanness in actual spam and not actually unsubscribe, so in practice pretty much only "good known senders with partnerships" get it to appear.