It is our pleasure to provide this software free of charge to help you in your ministry. We're so thankful for our partners who make this possible!
About TntWare
DonorWise version 4.1.40 and newer include the option to send email through the installed Outlook desktop application. You might want to try this out if you can't get it working through the traditional smtp settings.
Just check the box to "Send Email through Outlook desktop application".