是的-容易做到.
发送电子邮件-此处有一个常规例程:发送邮件带有或不带有附件的C#电子邮件:通用例程. [

Yes - easy to do.
Send email - there is a generic routine here: Sending an Email in C# with or without attachments: generic routine.[^] - but if you need suggestions for how to do any of this, I think you would be better off reading a book on website construction first...