Stringbody content;
bodycontent="<fontface='Arial'size='2'><p>Name:"+txtName.Text+"</p>";
bodycontent+="<p>Email:"+txtEmail.Text+"</p>";
bodycontent+="<p>Phone:"+txtTelephone.Text+"</p>";
bodycontent+="<p>Company:"+txtCompany.Text+"</p>";
bodycontent+="<p>Country:"+txtCountry.Text+"</p>";
bodycontent+="<p>Message:"+txtComments.Text+"</p>";
bodycontent+="</font>";
MailMessagemyMail=newMailMessage();
SmtpClientmySmtp=newSmtpClient();
mySmtp.Host="192.1.2.2"; // replace with IP of your web server
myMail.To.Add(aaa@domain.com);
myMail.From=newMailAddress(aaa@yahoo.com);
myMail.Subject="Feedback from website";
myMail.Body=bodycontent;
myMail.IsBodyHtml=true;
mySmtp.Send(myMail);