I am writing a Windows application which uses SMTP service to send email. I want to embed few dynamically created images to the Email content. How can I do this in .NET?. My format of email is HTML. I don't want to host my image to a photo hosting service. I don't want to send it as attachment.
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Does this helps?
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Here is some VB.NET code which should be trivial to change to C#. It will have to be attached. Thats the way HTML email works.
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On your MailMessage object you need to create an alternative HTML view. Then you add LinkedResources to your alternative HTML view. The LinkedResource takes in a location of a file or a Stream object. Give the LinkedResource an ID which will match to whats in your HTML file.
MailMessage msg = CreateYourMessage(); msg.IsBodyHtml = true; string html = GetHtmlFromFileOrText(); AlternateView htmlView = AlternateView.CreateAlternateViewFromString(html, Encoding.UTF8, "text/html"); LinkedResource img = new LinkedResource("location_of_image_or_stream_object"); img.ContentId = "Header_Image"; htmlView.LinkedResources.Add(img); message.AlternateViews.Add(htmlView);
Your html file or text should have something like this
< img src="cid:Header_Image" alt="" title="" />
notice the cid should match the ContentID of your LinkedResource.
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