When attaching big images files, offer to resize them to a more acceptable dimension/size. There were a few plugins that could do this: - https://addons.thunderbird.net/en-US/thunderbird/addon/shrunked-image-resizer/ - https://addons.thunderbird.net/en-US/thunderbird/addon/auto-resize-image/ but they stopped to work once 102 was out. They also had some QA problems like: - https://github.com/darktrojan/shrunked/issues/48 This kind of behavior is already seen in messaging apps like Messenger, WhatsApp, Signal, etc, where images are resized (with the option to send in its original quality). A nice feature could be to do it also for video.
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