I’ve installed Newsletter plugin and when the Users register they are getting 2 emails:
1. confirmation email
2. welcome email
I think that the welcome email has to arrive when the user clicks on link that is in Confirmation Email, but both messages are arriving at same time and the Status of suscriber is CONFIRMED without he/she clicks on the link.
You can do nothing. If the PC where the email is received has something of automatic that simulate a click on the confirmation link, you can do nothing. Ask a friend to try the subscription and NOT confirm to see if he changes the status.