Sending mail (following the SMTP protocol is a Simple mail-sending protocol)

Handlesendemail.aspx logic

protected void Page_Load (Object Sender,eventargs e)

{

foreach (var item in Request.Form.Keys)

{

if (item. ToString (). Startswidth ("Txtmail"))

{

String Mail=request.form[item. ToString ()];

Setting up SMTP servers and ports

SmtpClient smtpclient=new smtpclient ("[Email protected]", 25);

Set the user name and password to log on to the SMTP service when sending mail

SmtpClient. Credentials=new networkcredentail ("User name", "password");

MailMessage mailmessage=new MailMessage ();

Set Message subject

mailmessage.subject= "Theme";

mailmessage.body= "content";//Content

Mailmessage.form=new mailaddress ("Sender's email address");//Sender Address

MAILMESSAGE.TO.ADD (email);//Recipient

　　　　　　　　

MAILMESSAGE.CC.ADD ("cc person e-mail address");//Set CC person address

Attachment attachfile=new Attachment (@ "attachment absolute path");//Accessories

MAILMESSAGE.ATTACHMENTS.ADD (Attachfile);

Smtpclient.send (MailMessage);//Execute Send command

}

}

}

Sending mail (following the SMTP protocol is a Simple mail-sending protocol)