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Painting of a woman writing a letter while her maid waits by the window
Watercolour of a girl writing at a desk in a room full of plants
A handwritten letter from 1585, opened flat, with its address on the back
A brass pen nib, close up

One-click unsubscribe

One-click unsubscribe lets a reader leave with a single click, from a header mail apps show next to the sender.

One-click unsubscribe

One-click unsubscribe is a way to opt out that takes a single click and no form. The email carries a List-Unsubscribe header with a link, and a List-Unsubscribe-Post header (RFC 8058) so mail apps such as Gmail can show their own unsubscribe button next to the sender. Large mailbox providers now expect it from anyone who sends in bulk.

In Scrisly, every email carries both headers and an unsubscribe line in its footer. One click opts the person out, adds them to your suppression list and needs no login.