Recently some mails sent through Veracross Group Mail Address could not be delivered successfully. Veracross is taking care of this issue. Before they get it solved, please try the following way to get around.
After you get the group mail address from veracross: firstname.lastname@example.org, please make change to it so it is email@example.com.
1. After you get the veracross mail address in your mail application, right click on the address, so you can get “Edit Address”
2. Now you can make change to the address, so it is @mail.veracross.com