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Email Messaging using .NET



Namespace: System.Net.Mail

Creating a Mail Message Object

MailMessage mm = new MailMessage (“mubbasher@ymail.com”,
                                                                                     “yasir6@hotmail.com”,
                                                                                      “Be in office today”,
                                                                                     “We have a party at 10 o’clock.”);

One can send a short message without creating a MailMessage object by specifying the “To” and “From” email and the message using SmtpClient.Send.

Specify the MailAddress, From, and Body of the MailMessage.

BCC stands for blind carbon copy hence, email addresses specified here will not be visible to other recipients.

DeliverNotificationOption: This property of the MailMessage instructs the Smtp Server to send a n email to the sender (from) on Failure, Success, etc.

Depending upon the enumeration value specified i.e. OnSuccess, OnFailure, Delay, None, and Never.

ReplyTo: When a sender replies, the reply will be sent to ReplyTo. But it’s recommended to put the email address of the reply recipient in the From Address bar.

Priority: It can be set to High, Medium, and Low. It has nothing to do with mail sending process,

Attaching files:
Files can be attached in MailMessage.Attachments that is AttachmentCollection. Create an attachment object and pass it to AttachmentCollection.Add.

mm.Attachments.Add( new Attachment(@ “C:\boot.ini”));

Stream s = new FileStream(@ “C:\boot.ini”,FileMode.open | FileMode.Read);

mm.Attachemnts.Add(new Attachemnt(s, “myFile.txt”, MediTypeNames.Application.Octet);

Creating HTML Email:

Set MailMessage.IsBosyHtml to true.

mm.IsBodyHtml = true;

mm.Body = “<html><body><H1>NewHading</H1></body></html>”;

To embed images in the MailMessage use AlternateView and LinkedResource classes. Create Html Message using AlternateView and to embed images use LinkedResource.


AlternateView avMessage = AlternateView.CreateAlternateViewFromString(
“<html><body><H1>NewHading<img src=\”cid:Pic1\”></H1></body></html>”,
null, MedialTypeNames.Text.HTML);

LinkedResource lr = new LinkedRecource(“Pic1.jpg”, MediaTypeNames.Image.Jpeg);

Lr.ContentID = “Pic1”;
avMessage.LinkedResources.Add(lr);

Second View

AlternateView flatView = AlternateView.CreateAlternateViewFromString(
“<html><body><H1> Use an email client that support HTML Email Messages” </H1></body></html>”, null, MediaTypeNames.Text.Plain);

mm.AlternateViews.Add(avMessage);
mm.AlternateViews.Add(flatView);

SmtpClient vYahooClient = new SmtpClient(“mail.yahoo.com”);

vYahooClient.send(mm);
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