G Guest Jun 30, 2007 #1 Emails are bouncing back to me with message: 550: Authentication turned on in email client. What can I do about this?
Emails are bouncing back to me with message: 550: Authentication turned on in email client. What can I do about this?
D Diane Poremsky Jun 30, 2007 #2 Version of outlook? Generally it's tools, accounts, select the acct and look at more settings.