Questions Answers 1.
Some people describe an email as being like a postcard.
See the answer below about viruses. When this happens the recipient may not be able to open the attachment at all, Or their computer may not recognize the suffix type of the attachment. When it is the recipient who has the newer version there should be no problems. JPEG, JPG, and GIF are readable by the browser. When the recipient does not have any compatible software there is not much that can be done.