I have entered Sendgrid API key in Ninja Popups, But I cant grub mailing list.
I contacted you allready multiple times about this issue. I keep sending you mails and you don’t reply.
it works fine, we didnt noticed any problems with SendGrid. We got only one message from you (not multiply): http://arscode.pro/screens/2017-03-12_102009.png Also we send you instructions with screenshots: http://arscode.pro/screens/2017-03-12_102109.png
If you have any problem please contact to Support and we will help you again.