Hi Stefano:
You said (back in 2014): “Hi, thank you for your suggestion. Actually there is not support, but I can try to add it [Google Analytics utm tracking support]”
It looks like this is a feature request that hasn’t been fulfilled yet, and one which seems to have recently been the subject of a few more questions and inquiries here on your forum.
Would you consider adding support for this, now? I know how to add it manually, editing the theme.php files in the extensions folders, but it’s pretty tedious doing things that way for every new newsletter for every client. It would be a terrific addition to the already excellent feature set in your plugin.
Thanks for considering it!
– Tim