This article mainly introduces the asp.net send the mail sample sharing, the need friend can refer to the following
Mailhelper -------Mail help class code is as follows: using System; Using System.Collections.Generic; Using System.Linq; Using System.Web; Using System.Web.Mail; ///<summary>///mailhelper Summary description///</summary> public class Mailhelper { public Mailhel Per () { // //todo: Add constructor logic in here // / ///<summary> ///Mail send operation ///</summary > ///<param name= "Addressee" > Recipient address </param> ///<param name= "from" > Sender address </param> ///<param name= "Sendpassword" > Sender password </param> ///<param Name= "Copy" > CC address </param> ///<param name= "Secret" > Bcc address </param> ///& Lt;param name= "Subject" > Send theme </param> ///<param name= "Attachment" > Attachment information </param> ///<param name= "Body" > Mail content </param> public string sendeemal (string addressee, string Fro M, string Sendpassword, String Copy, String secret, String Subject, string attachment, string body) { MailMessage objmailmessage; MailAttachment objmailattachment; //create mail message objmailmessage = new MailMessage (); //Sender email Objmailmessage.from = from;//Source Email address //Recipient email objmailmessage.to = addressee; Destination email address //Mail cc objmailmessage.cc = Copy; //Mail Misong OBJMAILMESSAGE.BCC = secret; //Mail subject objmailmessage.subject = Subject; Send the title of the message //mail content objmailmessage.body = body;//Email content //Create an Attachment object if (attachment!= "") { &N Bsp objmailattachment = new MailAttachment (attachment)//email attachments c:test.txt & nbsp OBJMAILMESSAGE.ATTACHMENTS.ADD (objmailattachment);//attach attachment to mail message object } & nbsp //Then use SMTP to send mail, you need to use the Microsoft. NET Framework SDK v1.1 and its version /basic Permissions   ; OBJMAILMESSAGE.FIELDS.ADD ("Http://schemas.microsoft.com/cdo/configuration/smtpauthenticate", "1"); /user name String name = From.substring (0, From.indexof (' @ ')); OBJMAILMESSAGE.FIELDS.ADD ("Http://schemas.microsoft.com/cdo/configuration/sendusername ", name); &NBSp //password OBJMAILMESSAGE.FIELDS.ADD ("http://schemas.microsoft.com/cdo/configuration/ Sendpassword ", Sendpassword); //If there are no above three lines of code, the following error prompts: The server rejected one or more recipient addresses. Server response: 554:client host rejected:access denied //SMTP address String smtp = "smtp." + from.substring (From.indexof (' @ ') + 1); Smtpmail.smtpserver = "smtp." + from.substring (From.indexof (' @ ') + 1); //start sending mail try { &N Bsp Smtpmail.send (objmailmessage); return "Mail sent successfully! "; } catch (System.Net.Mail.SmtpException ex) &N Bsp { return ex. message; } Core code end }} then come down and do it yourself. A demo-- front , the code is as follows: <%@ Page language= "C #" Autoeventwireup= "true" codefile= "Mail.aspx.cs" inherits= "Information_mail" validaterequest= "false"% > <! DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 transitional//en" "Http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd "> <html xmlns=" http://www.w3.org/1999/xhtml "> <head runat=" Server "> <title></ title> <script src= ". /style/jquery/jquery.js "type=" Text/javascript "></script> <script src=". /style/jquery/jquery.validate.js "type=" Text/javascript "></script> <script language=" JavaScript "type=" Text/javascript "> function GEi () { &NB Sp var file_value = document.getElementById ("File1"). Value; document.getElementById ("HiddeNField1 "). Value = File_value; } </script> </head> <body> <form id= "Form1" R unat= "Server" > <div> sent to: <asp:textbox id= "TextBox1" runat= "Server" & Gt;</asp:textbox><br/> cc: <asp:textbox id= "TextBox2" runat= "Server" > </asp:textbox><br/> MIDI: <asp:textbox id= "TextBox4" runat= "Server" ></ Asp:textbox><br/> theme: <asp:textbox id= "TEXTBOX5" runat= "Server" ></asp: Textbox><br/> content: <asp:textbox id= "TextBox3" runat= "Server" ></asp: Textbox><br/> accessories: <input id= "File1" type= "file"/> <%--<asp:textbox id= "TextBox6" runat= "server" ></asp:TextBox>--%> <BR />   <asp:button id= "Button1" runat= "Server" text= "send" onclientclick= "GEi ()" onclick= "Button1_Click"/><br nbsp <asp:label id= "Label1" runat= "Server" text= "" ></asp:Label> </div> & nbsp <asp:hiddenfield id= "HiddenField1" runat= "server"/> </form> </body> </html > Background: Code as follows: protected void Button1_Click (object sender, EventArgs e) { //Instance Mail help class mailhelper mails = new Mailhelper (); string filePath = Hiddenfield1.value; string a = mails. Sendeemal (TextBox1.Text, "Mail Account", "Mail Password", TextBox2.Text, Textbox4.text, Textbox5.text, FilePath, TextBox3.Text); Label1.Text = A; } Start building with 50+ products and up to 12 months usage for Elastic Compute Service
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