Chilkat HOME .NET Core C# Android™ AutoIt C C# C++ Chilkat2-Python CkPython Classic ASP DataFlex Delphi ActiveX Delphi DLL Go Java Lianja Mono C# Node.js Objective-C PHP ActiveX PHP Extension Perl PowerBuilder PowerShell PureBasic Ruby SQL Server Swift 2 Swift 3,4,5... Tcl Unicode C Unicode C++ VB.NET VBScript Visual Basic 6.0 Visual FoxPro Xojo Plugin
(C#) Send Email to Distribution ListSends the same email to a list of 1000 email addresses in 50 sends where each email has 20 recipients. Note: Chilkat is not intended nor designed for mass emailing. A solution such as this might be used for a corporate emailing to employees, or an emailing to newsletter subscribers.
// This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. Chilkat.MailMan mailman = new Chilkat.MailMan(); bool success; mailman.SmtpHost = "smtp.mymailserver.com"; mailman.SmtpPort = 465; mailman.SmtpSsl = true; mailman.SmtpUsername = "myUsername"; mailman.SmtpPassword = "myPassword"; // Create a new email object Chilkat.Email email = new Chilkat.Email(); email.Subject = "This is a test"; email.Body = "This is a test"; email.From = "Senders Name <sender@example.com>"; email.AddTo("Subscribers","subscribers@example.com"); Chilkat.BinData bdMime = new Chilkat.BinData(); mailman.RenderToMimeBd(email,bdMime); // Load a file containing one email address per line. Chilkat.StringTable distList = new Chilkat.StringTable(); success = distList.AppendFromFile(1000,"utf-8","qa_data/distList.txt"); if (success == false) { Debug.WriteLine(distList.LastErrorText); return; } Chilkat.StringBuilder sbRecipients = new Chilkat.StringBuilder(); int i = 0; int szDistList = distList.Count; int j = 0; while (i < szDistList) { // Build a list of comma-separated recipients. if (j > 0) { sbRecipients.Append(","); } sbRecipients.Append(distList.StringAt(i)); i = i + 1; j = j + 1; // If we have 20 recipients, or we have the final recipient in the final chunk, then send. if ((j == 20) || (i == szDistList)) { success = mailman.SendMimeBd("sender@example.com",sbRecipients.GetAsString(),bdMime); if (success != true) { Debug.WriteLine(mailman.LastErrorText); return; } j = 0; sbRecipients.Clear(); } } success = mailman.CloseSmtpConnection(); if (success != true) { Debug.WriteLine("Connection to SMTP server not closed cleanly."); } Debug.WriteLine("Email sent to distirbution list."); |
© 2000-2024 Chilkat Software, Inc. All Rights Reserved.