procedure TForm1.Button1Click(Sender: TObject);
begin
with Nmsmtp1 do
begin
Host:=服务器名称;
PostMessage.ToAddress.Add(收件人地址);
PostMessage.FromAddress:=发件人地址;
PostMessage.FromName:=发件人名称;
PostMessage.Subject:=邮件主题;
PostMessage.Attachments.Add(附件文件名);
Connect;
Sendmail;
DisConnect;
end;
end;