WebPlus X6: set up email for a form on serif resources.

hi :)
can anyone help.

I'm new to webplus but doing my best to work things out using the postings, videos etc and pleased with my progress but i need some assistance:

I have logged in and set up email for a form on serif resources. send a dummy message and that worked ok

Q: what if I build a site for another with a form, do I have to set up their email address on serif resources. I tried adding another so i could have two addresses for two different forms but i was unable

This may be basic for many but i cant find how it all works
Thanks for any help and general explanation :)
Maxo
This is now sorted. found a post that helped
Maxo