How to send emails using SendGrid in ASP.NET Core
Take advantage of SendGrid to integrate reliable and scalable email into your ASP.NET Core applications. Here’s how.
Gridclient Sendemailasync Mailhelper Createsingleemail Emailservice Iconfiguration Getsection Emailsettings Getvalue Apikey Emailcontroller Iemailservice Sendgrid Nuget
Source: infoworld.com