[log in to unmask]" type="cite">I use Thunderbird- same people who make Firefox. Britt On 12/1/14 5:15 PM, Linda Feltner wrote:Hi All: I am unable to get "address undeliverable" messages back to my computer when I send an email. I don't know whether it gets there or not. I use Apple Mail. I've inquired of my hosting company, and they say it's Apple Mail's issue. On line forums say it's the "mail server", and that Apple Mail is a lousy program.. So, long ago I used Eudora (sp?) but I think it's now defunct. Does anyone have a favorite program for Mac OS 10.6.8 ? Thanks, LindaNeed to leave or subscribe to the Sciart-L listserv? Follow the instructions at http://www.gnsi.org/resources/reviews/gnsi-sciart-l-listserv