Popup when hovering over a link in apple mail. Who heard what, found the info, is it necessary to prescribe something to the links?

Question

Apple Mail

Popup when hovering over a link in apple mail. Who heard what, found the info, is it necessary to prescribe something to the links?

Answer 1

it is a function of the client itself. nothing additional needs to be done.

Answer 2

Hello.)
Part of the answer
https://litmus.com/blog/interactive-email-for-begi...
https://freshinbox.com/blog/rollover-to-reveal-in-...
Another part of the answer
https ://www.campaignmonitor.com/css/selectors/hover/
The third part of the answer is that tooltips in emails also have script support from the server from which they are sent.
Which one is easier for you to look at in the inspector. If the letter is in front of your eyes.
ZY I know that "scripts in letters blah blah". But an example.