problem with Apple Mail signature no longer supporting icon hyperlinks
I've always added my social media icons at the end of all my Apple emails within the signature. Anyone who received an email from me could click on one of the icons and would be redirected to the instagram, Twitter or Linked-in page. Yesterday, I updated these icons (they were outdate logos) but now the hyperlinks do not work. When one now receives an email from me, when they click on the icon, the image will just open in Preview. What have Apple changed since I last set this up?
Previously I dragged the icon into the 'signature' preference, highlighted it and then went into 'Tools' and 'added URL' - easy!!! - this no longer works. Can anyone help? please!!!!!!