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Posted 19 Jun 2007

Sending Mail With An Embedded Image

, 19 Jun 2007
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Sending Mail With An Embedded Image


This article will help to get a basic idea of mailing with an embedded image or object from ASP.NET 2.0 using SMTP client.


When I was in need of the same code, I got a lot of code from different sites but in some cases the mail was going in particular cases only. I mean to say that in Yahoo, the image was displaying, but in others it was not. In some cases, the image was going as an attachment so I wrote this code which sends your image with the mail body. For example, if you want to send your company's logo in the body of the mail, you can do that with this code.

Using the Code

The code is very simple and pretty straightforward. As a prerequisite, you should have access to a mail server.

//create the mail message
MailMessage mail = new MailMessage();

//set the addresses
mail.From = new MailAddress("");

//set the content
mail.Subject = "Mail From Prashant Lavate";

//first we create the Plain Text part
AlternateView plainView = AlternateView.CreateAlternateViewFromString
    ("This is my text , viewable by those clients that don't support html", 
    null, "text/plain");

//then we create the HTML part
//to embed images, we need to use the prefix 'cid' in the img src value
//the cid value will map to the Content-Id of a Linked resource.
//thus <img src='cid:logo'> will map to a LinkedResource with a 
//ContentId of 'companylogo'
AlternateView htmlView = AlternateView.CreateAlternateViewFromString
    ("Here is an embedded image.<img src=cid:companylogo>", null, "text/html");

//create the LinkedResource (embedded image)
LinkedResource logo = new LinkedResource( "c:\\temp\\prashant.gif" );
logo.ContentId = "logo";
//add the LinkedResource to the appropriate view

//add the views

//send the message
SmtpClient smtp = new SmtpClient(""); //specify the mail server address

Please rate the article and don't hesitate to write to me in case you have any doubts or concerns. Please do check out my other articles which may help you out.


  • 20th June, 2007: Initial post


This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


About the Author

Lavate Prashant B.
Web Developer
India India
Prashant is working with Microsoft Technology from last two years. He has worked in ASP.NET,C#.NET,VB.NET,SQL Server.

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Comments and Discussions

Generalcode improvement Pin
keeeeeeeeeeiff21-Sep-07 1:49
memberkeeeeeeeeeeiff21-Sep-07 1:49 
GeneralRe: code improvement Pin
Robcast214-Mar-08 1:04
memberRobcast214-Mar-08 1:04 
QuestionGmail replaces from address Pin
Miguel Domingos20-Jul-07 1:21
memberMiguel Domingos20-Jul-07 1:21 
Generaldont work :( Pin
yarns16-Jul-07 23:47
memberyarns16-Jul-07 23:47 
GeneralError in code Pin
jonmbutler20-Jun-07 4:56
memberjonmbutler20-Jun-07 4:56 
GeneralNice and clean Pin
Tom Janssens20-Jun-07 4:15
memberTom Janssens20-Jun-07 4:15 
GeneralRe: Nice and clean Pin
Prashant Lavate1-Aug-07 23:40
memberPrashant Lavate1-Aug-07 23:40 

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