Product simply doesn't work. I can't send nor receive mail from my default domain mail. Account behaviour is erratic and unreliable. :(
Mail does not work either from web yahoo business mail page or pc desktop. domain is: ******
Account behaviour is erratic and unreliable. Please do fix it immediately
1st
ranked

Hello there,
We’d like to look more into this, would you be so kind to send us a DM on Twitter at @YahooCare, containing your Yahoo ID and a screenshot of your experience? If you’d prefer Facebook, please send us a private message on our Yahoo Customer Care page.
Thank you!