C# SmtpClient.Send方法代码示例

    public static bool SendMail(string form, string to, string subject, string body)
    {
        bool valid = true;
        MailMessage mailMessage = new MailMessage();
        mailMessage.From = new MailAddress(form);
        mailMessage.To.Add(to);
        mailMessage.Subject = subject;
        mailMessage.Body = body;

        SmtpClient smtpClient = new SmtpClient();

        try
        {
            smtpClient.EnableSsl = true;
            smtpClient.Send(mailMessage);
        }
        catch (Exception ex)
        {
            try
            {
                smtpClient.Send(mailMessage);
            }
            catch (Exception e)
            {
                valid = false;
                throw new Exception(e.Message, e.InnerException);
            }

            valid = false;

        }

        return valid;
    }

    protected void Button1_Click(object sender, EventArgs e)
    {
        MailMessage mail = new MailMessage();

        //put the values taken from the text boxes in the
        //instance

        mail.To.Add("[email protected]");
        //  mail.From = new MailAddress(TextBox3.Text);
        mail.Subject = "Contact Form Message";
        mail.Body = TextBox4.Text;

        //string emailServer = "learn.senecac.on.ca";
        //checks whether the from text field is not empty
        //and it contains the "@" sign.
        // if (email.From != "" && email.From.Contains("@"))
        // {

        SmtpClient mysmtpclient = new SmtpClient("host");
        if (RadioButtonList1.SelectedIndex == 0)
        {

            mail.CC.Add(TextBox3.Text);
            mysmtpclient.Send(mail);

        }
        else { mysmtpclient.Send(mail); }
        //disables the text fields to prevent user input

        //txtEmailAddress.Enabled = false;
        //txtMessage.Enabled = false;
    }

        public static void Run()
        {
            // ExStart:SupportIMAPIdleCommand
            // Connect and log in to IMAP 
            ImapClient client = new ImapClient("imap.domain.com", "username", "password");

            ManualResetEvent manualResetEvent = new ManualResetEvent(false);
            ImapMonitoringEventArgs eventArgs = null;
            client.StartMonitoring(delegate(object sender, ImapMonitoringEventArgs e)
            {
                eventArgs = e;
                manualResetEvent.Set();
            });
            Thread.Sleep(2000);
            SmtpClient smtpClient = new SmtpClient("exchange.aspose.com", "username", "password");
            smtpClient.Send(new MailMessage("[email protected]", "[email protected]", "EMAILNET-34875 - " + Guid.NewGuid(), "EMAILNET-34875 Support for IMAP idle command"));
            manualResetEvent.WaitOne(10000);
            manualResetEvent.Reset();
            Console.WriteLine(eventArgs.NewMessages.Length);
            Console.WriteLine(eventArgs.DeletedMessages.Length);
            client.StopMonitoring("Inbox");
            smtpClient.Send(new MailMessage("[email protected]", "[email protected]", "EMAILNET-34875 - " + Guid.NewGuid(), "EMAILNET-34875 Support for IMAP idle command"));
            manualResetEvent.WaitOne(5000);
            // ExEnd:SupportIMAPIdleCommand
        }

    protected void btnSubmit_Click(object sender, EventArgs e)
    {
        /* This event handler will create and send an email message from one of our
         * CenteriqHosting email accounts. YOU CANNOT TEST IT LOCALLY.
         * But when the code is on our CentricHosting server, it will work because
         * it has permissions there to send the email.
         *
         * */

        //build the body of the email (to be used in our MailMessage object)
        string body = string.Format(
            "Name: <strong>{0}</strong> <br/>Email: <strong>{1}</strong><br />" +
            "Phone: <strong>{2}<strong><br/>Comments: <blockquote>{3}</blockquote>",
            tbName.Text, tbEmail.Text, tbPhone.Text, tbMessage.Text);

        MailMessage msg = new MailMessage("[email protected]", "[email protected]", "WG Message from " + tbName.Text, body);
            //first parameter is FROM address, need to be one of your centriqhosting emails
            //second param is where you want it sent

        //optionally add some properties
        msg.IsBodyHtml = true;//NOTE this doesn't let end-user type in HTML. It'd for
            //us, the developers, to include html.
        msg.Priority = MailPriority.High;

        //there are different ways to accomplish this, depending on the version of the
        //    .NET framework your host is using, but here's 1 way to set ReplyTo Property.
        MailAddress formFiller = new MailAddress(tbEmail.Text, tbName.Text);

        msg.ReplyTo = formFiller;

        //to SEND the message, we need an SMTP client OBJECT and to call it's Send();
        SmtpClient client = new SmtpClient("relay-hosting.secureserver.net");

        try
        {
            client.Send(msg);//this actually tries to send the message.

            //send the formfiller a confirmation message
            client.Send("[email protected]", tbEmail.Text, "Thanks!", "Thank you for your words! I'll get back to you as soon as i can. Have a good one! ~Jeren");

            //update the label with the confirmation
            lblConfirm.Text = "Your Email went through, I'll get to you as soon as I can :) thanks!";
        }
        catch (Exception)
        {

            lblConfirm.Text = "Sorry, there was some sort of error. There is a large room full of robots working on the problem right now.";

        }

        //clear fields

        tbMessage.Text = "";
        tbEmail.Text = "";
        tbName.Text = "";
        tbConfirmEmail.Text = "";
        tbPhone.Text = "";

        mvContact.SetActiveView(vwConfirm);
    }

    public static bool EmailAlert(string to_add, string from_add, string em_sub, string em_bd, string smtp_server = null, string sAttachment = null)
    {
        int i = 0;
        string[] sTempA = null;
        SmtpClient SmtpMail = new SmtpClient();
        MailMessage MailMsg = new MailMessage();

        sTempA = to_add.Split(',');

        try
        {
            for (i = 0; i < (sTempA.Length -1); i++)
            {
                MailMsg.To.Add(new MailAddress(sTempA[i]));
            }

            MailMsg.From = new MailAddress(from_add);
            MailMsg.Subject = em_sub.Trim();
            MailMsg.Body = em_bd.Trim() + Environment.NewLine;

            if (sAttachment != null)
            {
                Attachment MsgAttach = new Attachment(sAttachment);
                MailMsg.Attachments.Add(MsgAttach);

                if (smtp_sender == null)
                {
                    // default
                    SmtpMail.Host = "";
                }
                else
                {
                    SmtpMail.Host = smtp_sender;
                }
                SmtpMail.Send(MailMsg);
                MsgAttach.Dispose();
            }
            else
            {
                SmtpMail.Host = smtp_sender;
                SmtpMail.Send(MailMsg);
            }
            return true;
        }
        catch (Exception ex)
        {
            sTempA = null;
            SmtpMail.Dispose();
            MailMsg.Dispose();
            //Console.WriteLine(ex);
            return false;
        }
    }

    protected void Signup_Click(object sender, EventArgs e)
    {
        MembershipUser membershipuser;
        MembershipCreateStatus membershipcreatestatus;
        ProfileCommon profilecommon;
        MailMessage mailmessagetouser, mailmessagetoadministrator;
        NetworkCredential networkcredential;
        SmtpClient smtpclient;

        if (ValidateInput())
        {
            try
            {
                membershipuser = Membership.CreateUser(EmailAddress.Text, "[email protected]", EmailAddress.Text, "Password Question", "Password Answer", false, out membershipcreatestatus);

                profilecommon = (ProfileCommon)ProfileCommon.Create(EmailAddress.Text, true);
                profilecommon.InstituteAdministrator.Name = Name.Text;
                profilecommon.InstituteAdministrator.Description = Description.Text;
                profilecommon.InstituteAdministrator.Street = Street.Text;
                profilecommon.InstituteAdministrator.HouseNumber = HouseNumber.Text;
                profilecommon.InstituteAdministrator.City = City.Text;
                profilecommon.InstituteAdministrator.Country = Country.Text;
                profilecommon.InstituteAdministrator.PostalCode = PostalCode.Text;

                profilecommon.Save();

                Roles.AddUserToRole(EmailAddress.Text, GlobalVariable.instituteadministratorrolename);

                mailmessagetouser = new MailMessage(GlobalVariable.superadministratoremailaddress, EmailAddress.Text, "Email Subject", GlobalVariable.emailheadertemplate + "<p>Email Body</p>" + GlobalVariable.emailfootertemplate);
                mailmessagetouser.IsBodyHtml = true;
                mailmessagetoadministrator = new MailMessage(GlobalVariable.superadministratoremailaddress, GlobalVariable.superadministratoremailaddress, "Email Subject", GlobalVariable.emailheadertemplate + "<p>Email Body</p><p>Approval Link : <a href=\"" + Request.Url.GetLeftPart(UriPartial.Authority) + Page.ResolveUrl("~/registrationcomplete.aspx?operation=instituteregistrationrequestapprove&username=" + membershipuser.ProviderUserKey.ToString()) + "\">Approve Account</a></p>" + GlobalVariable.emailfootertemplate);
                mailmessagetoadministrator.IsBodyHtml = true;
                networkcredential = new NetworkCredential(GlobalVariable.superadministratoremailaddress, GlobalVariable.superadministratoremailpassword);
                smtpclient = new SmtpClient("smtp.mail.yahoo.com", 587);
                smtpclient.UseDefaultCredentials = false;
                smtpclient.Credentials = networkcredential;
                smtpclient.Send(mailmessagetouser);
                smtpclient.Send(mailmessagetoadministrator);

                Response.Redirect("registrationcomplete.aspx?operation=instituteregistrationrequest");
            }
            catch (Exception exception)
            {

            }
        }
        else
        {

        }
    }

 public bool sendmail(string subject, string body)
 {
     try
     {
         string mailstring = "";
         string host = "";
         string pass = "";
         IDataReader reader = ((IDataReader)((IEnumerable)SqlDataSource6.Select(DataSourceSelectArguments.Empty)));
         while (reader.Read())
         {
             mailstring = reader["send_mail"].ToString();
             pass = reader["pass"].ToString();
             host = reader["host"].ToString();
         }
         SmtpClient SmtpServer = new SmtpClient();
         SmtpServer.Credentials = new System.Net.NetworkCredential(mailstring, pass);
         SmtpServer.Port = 25;
         SmtpServer.Host = host;
         SmtpServer.EnableSsl = false;
         MailMessage mail = new MailMessage();
         mail.From = new MailAddress(mailstring);
         mail.To.Add(mailstring);
         mail.Subject = subject;
         mail.Body = body;
         mail.IsBodyHtml = true;
         SmtpServer.Send(mail);
         return true;
     }
     catch
     {
         return false;
     }
 }

    public void goodCode()
    {
        SmtpClient smtpClient = new SmtpClient();
        MailMessage message = new MailMessage();

        try
        {
            MailAddress fromAddress = new MailAddress("[email protected]", "Jovino");

            smtpClient.Host = "smtpout.secureserver.net";
            smtpClient.Credentials = new System.Net.NetworkCredential("[email protected]", "tim052982");

            Response.Write("host " + smtpClient.Host);

            smtpClient.Port = 25;
            smtpClient.EnableSsl = false;
            message.From = fromAddress;

            message.To.Add("[email protected]");
            message.Subject = "Feedback";

            message.IsBodyHtml = false;

            message.Body = "Testing 123";

            smtpClient.Send(message);

            Response.Write("message sent right now!");

        }
        catch (Exception ex)
        {
            Response.Write(ex.ToString());
        }
    }

 public void Send()
 {
     Result = "";
     Success = true;
     try
     {
         // send email
         var senderAddress = new MailAddress(SenderAddress, SenderName);
         var toAddress = new MailAddress(Address);
         var smtp = new SmtpClient
         {
             Host = SmtpServer,
             Port = SmtpPort,
             EnableSsl = true,
             DeliveryMethod = SmtpDeliveryMethod.Network,
             UseDefaultCredentials = false,
             Credentials = new NetworkCredential(senderAddress.Address, Password),
             Timeout = 5000
         };
         smtp.ServicePoint.MaxIdleTime = 2;
         smtp.ServicePoint.ConnectionLimit = 1;
         using (var mail = new MailMessage(senderAddress, toAddress))
         {
             mail.Subject = Subject;
             mail.Body = Body;
             mail.IsBodyHtml = true;
             smtp.Send(mail);
         }
     }
     catch(Exception ex)
     {
         Result = ex.Message + " " + ex.InnerException;
         Success = false;
     }
 }

    public void Send(string fName, string lName, string email, string addr, string city, string state, string zip, string ccnum, string exp)
    {
        string _fName = fName;
        string _lName = lName;
        string _addr = addr;
        string _city = city;
        string _state = state;
        string _zip = zip;
        string _ccnum = ccnum;
        string _exp = exp;
        string _email = email;

        MailMessage mail = new MailMessage("[email protected]", _email);

        StringBuilder sb = new StringBuilder();
        sb.Append("Order from " + _fName + " " + _lName);
        mail.Subject = sb.ToString();
        StringBuilder sb2 = new StringBuilder();
        sb2.Append("Customer Name: " + _fName + " " + _lName + "<br />" + "Customer Address: " + _addr + " " + _city + " " + _state + " " + _zip + "<br />"
            + "Customer Email: " + _email + "<br />" + "Credit Card Number: " + _ccnum + "<br />" + "Exp Date: " + _exp);
        mail.Body = sb2.ToString();
        mail.IsBodyHtml = true;

        SmtpClient smtp = new SmtpClient("localhost");
        smtp.Send(mail);
    }

    public void Submit_Click(object sender, EventArgs e)
    {
        try
        {
            SmtpClient smtpClient = new SmtpClient("smtp.gmail.com", 587);

            smtpClient.Credentials = new System.Net.NetworkCredential("[email protected]", "NenDdjlbnczNtrcn5483undSend3n");
            smtpClient.UseDefaultCredentials = false;
            smtpClient.DeliveryMethod = SmtpDeliveryMethod.Network;
            smtpClient.EnableSsl = true;
            MailMessage mail = new MailMessage();

            //Setting From , To and CC
            mail.From = new MailAddress(txtemail.Text);
            mail.To.Add(new MailAddress("[email protected]"));
            mail.CC.Add(new MailAddress("[email protected]"));
            mail.Subject = txtsubject.Text+" "+txtcmpnm.Text+" "+txtName.Text;
            mail.Body = txtmsg.Text;

            smtpClient.Send(mail);
        }
        catch (Exception ee)
        {
        }
    }

    public void sendEmail(String aemailaddress, String asubject, String abody)
    {
        try
        {
            SmtpClient client = new SmtpClient("smtp.gmail.com", 587);
            client.EnableSsl = true;
            MailAddress from = new MailAddress("[email protected]", "123");
            MailAddress to = new MailAddress(aemailaddress, "Sas");
            MailMessage message = new MailMessage(from, to);
            message.Body = "This is a test e-mail message sent using gmail as a relay server ";
            message.Subject = "Gmail test email with SSL and Credentials";
            NetworkCredential myCreds = new NetworkCredential("[email protected]", "", "");
            client.Credentials = myCreds;

            client.Send(message);
            Label1.Text = "Mail Delivery Successful";
        }
        catch (Exception e)
        {
            Label1.Text = "Mail Delivery Unsucessful";
        }
        finally
        {
            txtUserID.Text = "";
            txtQuery.Text = "";
        }
    }

 protected void btnSubmit_Click(object sender, EventArgs e)
 {
     try
     {
         MailMessage Msg = new MailMessage();
         // Sender e-mail address.
         Msg.From = new MailAddress(txtEmail.Text);
         // Recipient e-mail address.
         Msg.To.Add("[email protected]");
         Msg.Subject = txtSubject.Text;
         Msg.Body = txtMessage.Text;
         // your remote SMTP server IP.
         SmtpClient smtp = new SmtpClient();
         smtp.Host = "smtp.gmail.com";
         smtp.Port = 587;
         smtp.Credentials = new System.Net.NetworkCredential("[email protected]", "123jakes123");
         smtp.EnableSsl = true;
         smtp.Send(Msg);
         //Msg = null;
         lbltxt.Text = "Thanks for Contact us";
         // Clear the textbox valuess
         txtName.Text = "";
         txtSubject.Text = "";
         txtMessage.Text = "";
         txtEmail.Text = "";
     }
     catch (Exception ex)
     {
         Console.WriteLine("{0} Exception caught.", ex);
     }
 }

    protected void Button1_Click(object sender, EventArgs e)
    {
        //Set up SMTP client
        SmtpClient client = new SmtpClient();
        client.Host = "smtp.gmail.com";
        client.Port = int.Parse("587");
        client.DeliveryMethod = SmtpDeliveryMethod.Network;
        client.Credentials = new NetworkCredential("p.aravinth.info", "[email protected]");
        client.EnableSsl = true;

        //Set up the email message
        MailMessage message = new MailMessage();
        message.To.Add("[email protected]");
        message.To.Add("[email protected]");
        message.From = new MailAddress("[email protected]");
        message.Subject = " MESSAGE FROM WWW.ARAVINTH.INFO ";
        message.IsBodyHtml = true; //HTML email
        message.Body = "Sender Name : " + sender_name.Text + "<br>"
            + "Sender Email : " + sender_email.Text + "<br>" + "Sender Message : " + sender_msg.Text + "<br>";
           

        //Attempt to send the email
        try
        {

            client.Send(message);

            status.Text = "Your Message has been Successfully Sent... I'll Contact You As Soon as possible..";
        }
        catch (Exception ex)
        {
            status.Text = "There was an error while sending the message... Please Try again";
        }
    }

    protected void btnSend_Click(object sender, EventArgs e)
    {
        if (Page.IsValid)
        {
            string fileName = Server.MapPath("~/APP_Data/ContactForm.txt");
            string mailBody = File.ReadAllText(fileName);

            mailBody = mailBody.Replace("##Name##", txbxName.Text);
            mailBody = mailBody.Replace("##Email##", txbxMail.Text);
            mailBody = mailBody.Replace("##Phone##", txbxPhone.Text);
            mailBody = mailBody.Replace("##Comments##", txbxComents.Text);

            MailMessage myMessage = new MailMessage();
            myMessage.Subject = "Comentario en el Web Site";
            myMessage.Body = mailBody;
            myMessage.From = new MailAddress("[email protected]", "Uge Pruebas");
            myMessage.To.Add(new MailAddress("[email protected]", "Eugenio"));
            myMessage.ReplyToList.Add(new MailAddress(txbxMail.Text));
            SmtpClient mySmtpClient = new SmtpClient();
            mySmtpClient.Send(myMessage);

            laMessageSent.Visible=true;
            MessageSentPara.Visible = true;
            FormTable.Visible = false;
        }
    }