Ever since downloading my dual travel eSIM, I can’t receive or send emails from my Apple Mail

For your Internet connection.

• Over Cellular: contact your Carrier (Cellular Service Provider). The agency that issued the SIM to you
• Over WiFI: Contact your ISP (Internet Service Provider), the agency that provided the Internet Service on your Modem/Router to you

However --> Connect iPhone to the Internet - Apple Support

I deleated my phone number. How do inrestore it