A rich link-preview card (docs/35). The sender generates it at compose time;
image (the og:image) is an Attachment downloaded like any other
blob. On receive these are anti-spoof-filtered: only previews whose url
occurs in the message body are surfaced.
A rich link-preview card (docs/35). The sender generates it at compose time;
image(the og:image) is an Attachment downloaded like any other blob. On receive these are anti-spoof-filtered: only previews whoseurloccurs in the message body are surfaced.