I have the same issue recently running Win7 SP1 x64, Eudora and IE10. All emails from Constant Contact
rs6.net server are not displaying images.
I upgraded to IE11, same issue. I upgraded to Edge, same issue.
I have a VM running Win10, clean, copied Eudora over to it and no more issue.
So, anything we can do and still keep Win7 and Eudora happy?