I’m trying to use sharepoint images for an internal newsletter within my organization. It works ok to add them and test the newsletter out but when I revisit that same newsletter the next day I only see broken images. I’ve gone to Sharepoint and made sure that sharing rights are applied, opened up each image and copied its url and then inserted those urls in an html block. Again, this work ok first day but then it’s just gone. I can see that the sharepoint urls are token-based but why is it not permanent?