ASP. NET core uses Mailkit to send mail.

Installation Required with Mailkit

Send mail need to turn on SMTP, I am using QQ. can refer to http://jingyan.baidu.com/article/0f5fb099dffe7c6d8334ea31.html

            varMessage =NewMimeMessage (); stringEmail ="recipients ' mailboxes"; Message. From.add (Newmailboxaddress (sender)); Message. To.add (Newmailboxaddress (Email)); Message. Subject="title"; varBuilder =Newbodybuilder (); Builder. HtmlBody="";//HTMLBuilder. TextBody ="";//textMessage. Body =Builder.            Tomessagebody (); varClient =NewSmtpClient (); Client. Connect (_settings. Value.emailserver, _settings. Value.emailport,true);//Connection ServiceClient. Authenticationmechanisms.remove ("XOAUTH2"); Client. Authenticate (_settings. Value.emailaddress, _settings. Value.emailpassword); //Verify your account passwordclient.            Send (message); Client. Disconnect (true

Reference Example: http://www.mimekit.net/docs/html/Creating-Messages.htm

ASP. NET core uses Mailkit to send mail.