Another option that be easily set in FreeLists is allowing attachments: images, pdfs, docs. I have a FreeList I use for radio astronomy messages, allowing attachments. For example, this message has 6 dynamic radio spectra attached: //www.freelists.org/post/radioastro/Much-Solar-activity-on-130112-at-Paris-Observatory-Nancay-Station Victor Dr. Eng. Victor Herrero-Arrieta Ph.D. M.S. Ing.Ind. http://herrero-radio-astronomy.blogspot.com/view/magazine Radio Astronomy Blog https://groups.google.com/d/forum/victor-herrero-radio-astronomy Messages https://groups.google.com/forum/?hl=es&fromgroups#!forum/red-radioastronomia-en-espanol http://herrero-victor.blogspot.com/ Astronomy Blog http://victorstravelpictures.blogspot.com/ Travel pictures -- See message header for info on list archives or unsubscribing, and please send personal replies to the author, not the list.