static void Main() { // If using Professional version, put your serial key below. ComponentInfo.SetLicense("FREE-LIMITED-KEY"); // Load message collection. MailMessageCollection messages = MailMessageCollection.Load("Collection.mbox"); // Display message information. foreach (MailMessage message in messages) { Console.WriteLine($"From: {message.From}"); Console.WriteLine($"Subject: {message.Subject}"); Console.WriteLine($"Body: {message.BodyText}"); Console.WriteLine(); } // Create new message. MailMessage newMessage = new MailMessage("*****@*****.**", "*****@*****.**") { Subject = "Test email message with a text body", BodyText = "This is a test message with a text body." }; // Add message to collection. messages.Add(newMessage); // Save message collection. messages.Save("Modified Collection.mbox"); }