WebForm "Send Mail"

C # implements a simple smtpclient send message

Analysis

What you need

Send mail--Send content--Receive mail

Process (each function is applicable)

creating objects-assigning values to object properties-calling methods

Send e-mail

Create a Mailbox server object

Sender

Recipient

Create a Mail object

Message subject

Message content

Set up validation scenarios

Set up a qualification certificate

Send

Using System.Net; --Internet naming space
Using System.Net.Mail; --e-mail namespace under the Internet

Create a Sina Mailbox server object

smtpclient smtp = new smtpclient("host name or IP address of the SMTP transaction ");
SMTP. Enablessl = true;
SMTP. useDefaultCredentials = false;

mailaddress fr = new mailaddress(" Sender's email address "); -Who is the sender

mailaddress t = new mailaddress(" recipient's email address "); -Who is the recipient

Create a Mail object

mailmessage mail = new mailmessage( fr, t );

Mail.      Subject = " mail subject "; --Assigning a value to the Message Object Title property

Mail.        Body = " mail content "; --Assigning values to message object content properties

Create a validation scenario

networkcredential cred = new networkcredential(" Sender's email address ", " email password ");

Set up a qualification certificate
SMTP. Credentials = cred;

Send
SMTP. Send (mail);

usingSystem;usingSystem.Collections.Generic;usingSystem.Linq;usingsystem.web;usingSystem.Web.UI;usingSystem.Web.UI.WebControls;usingSystem.Net;//Internet NamespacesusingSystem.Net.Mail;//e-mail namespace under the Internet Public Partial class_default:system.web.ui.page{protected voidPage_Load (Objectsender, EventArgs e) {Button1.Click+=button1_click; }    voidButton1_Click (Objectsender, EventArgs e) {        stringto = TextBox1.Text;//Recipient Email Address        stringtitle = TextBox2.Text;//message Header        stringContent = TextBox3.Text;//Message Content//Create a Sina Mailbox server objectSmtpClient SMTP =NewSmtpClient ("smtp.sina.cn"); Smtp. Enablessl=true; Smtp. useDefaultCredentials=false; //who is the sender ?MailAddress FR =NewMailAddress ("1856***** @sina. CN"); //who's the recipient?MailAddress T =Newmailaddress (to); //sent Message objectMailMessage mail =NewMailMessage (FR, t); //Assigning a value to a Message Object title propertyMail. Subject =title; //Mail.        Subject = "[Singularity Network] mailbox Verification mail"; //assigning values to Message object content propertiesMail. Body=content; //Mail. Body = "Welcome to register the Singularity network platform, your email verification code is [DRTR], please fill in 20 minutes, system mail do not reply!"        "; //Mail.        Body = "Yanzheng.qidian.com?i=kjwehrlkydafghdjfghwerkwehr"; //Create a Certificate objectNetworkCredential cred =NewNetworkCredential ("185******** @sina. CN","hq1234561"); //set up a qualification certificateSmtp. Credentials =cred; //SendSMTP.    Send (mail); }}

View Code

WebForm "Send Mail"