System.Net.Mail and embedded images - Comments

Comment by Tman on "System.Net.Mail and embedded images"

Tman — Tue, 21 Feb 2006 05:21:56 GMT

Thanx Mike!
Just great, hard to find good examples on this.

Comment by kory s. on "System.Net.Mail and embedded images"

kory s. — Wed, 26 Apr 2006 13:40:42 GMT

Thanks! Your example was simple and straight forward, works perfectly.

Comment by Stephen on "System.Net.Mail and embedded images"

Stephen — Thu, 17 Aug 2006 06:39:30 GMT

Another thanks for this blog entry... much more detailed than anything out there i found (including www.systemnetmail.com's non-working example)

Comment by Dana Stephenson on "System.Net.Mail and embedded images"

Dana Stephenson — Wed, 30 Aug 2006 09:02:25 GMT

Great post, worked perfectly on the first try! Thanks!

Comment by Kalesh on "System.Net.Mail and embedded images"

Kalesh — Thu, 26 Oct 2006 21:58:42 GMT

Thanks mike for the article.
I facing one issue....I am not able to access the class AlternateView in my code..

can u help me...I am using dotnet 2.0

Comment by mike on "System.Net.Mail and embedded images"

mike — Thu, 26 Oct 2006 22:58:17 GMT

Have you imported all the right namespaces? Probably you have, but thought it was worth asking.

BTW, are you using Visual Studio? Do you see (for example) MailMessage but not AlternateView in IntelliSense?

Comment by Me on "System.Net.Mail and embedded images"

Me — Wed, 22 Nov 2006 20:07:04 GMT

So how would you do this thing in .NET 1.0?

Comment by mike on "System.Net.Mail and embedded images"

mike — Wed, 22 Nov 2006 21:03:37 GMT

For 1.1, have a look at the discussion here:

http://www.systemwebmail.com/faq/3.3.aspx

Effectively, you can't do it natively with System.Web.Mail. There is a long thread of discussions in the comments that might be interesting.

Comment by Dan Clem on "System.Net.Mail and embedded images"

Dan Clem — Wed, 24 Jan 2007 14:09:49 GMT

Thanks for posting this. You showed the correct way of doing something that the MSDN site was showing incorrectly:

http://msdn2.microsoft.com/en-us/library/system.net.mail.mailmessage.alternateviews.aspx

Comment by Anonymous on "System.Net.Mail and embedded images"

Anonymous — Wed, 07 Feb 2007 12:49:03 GMT

great! thanks!

Comment by peter on "System.Net.Mail and embedded images"

peter — Wed, 07 Feb 2007 15:20:05 GMT

Also if you want to build the email-sending-with-embedded-images functionality into a class library and include the jpg files into the DLL as embedded resources rather than referencing the files located in some web app:

* add your jpegs to your class library project, mark their Build Action property as Embedded Resource
* (say you've placed the "emailheader.jpg" image in the \EmbeddedImages\ folder inside your project)
* than do this

string imgHeaderName = Assembly.GetExecutingAssembly().GetName().Name + ".EmbeddedImages.emailheader.jpg";

Stream streamImageHeader = Assembly.GetExecutingAssembly().GetManifestResourceStream(imgHeaderName);

if (streamImageHeader != null)
{
LinkedResource lrImageHeader = new LinkedResource(streamImageHeader);
lrImageHeader.ContentId = CIDHEADER;
av.LinkedResources.Add(lrImageHeader);
}

where the av is the AlternateView object and CIDHEADER is the cid value from the email body.

Comment by longnguyen on "System.Net.Mail and embedded images"

longnguyen — Thu, 14 Jun 2007 01:11:50 GMT

Public Function SendMailMessage(ByVal FromAddress As String, ByVal ToAddresses As String, ByVal Subject As String, ByVal Body As String, ByVal IsHTML As Boolean, ByVal ServerName As String, ByVal Port As Integer, ByVal UserName As String, ByVal PassWord As String) As Integer
Dim k As Integer = 0
Dim Message As New MailMessage
Dim smtp As New SmtpClient(ServerName, Port)
Message.From = New MailAddress(FromAddress)
Message.To.Add(ToAddresses)
Dim strMailContent As String
strMailContent = Body

Dim av1 As AlternateView = AlternateView.CreateAlternateViewFromString(strMailContent, Nothing, "Text/Html")
av1.TransferEncoding = Net.Mime.TransferEncoding.Base64
Message.AlternateViews.Add(av1)
Message.BodyEncoding = System.Text.Encoding.GetEncoding("utf-8") 'windows-1252") 'set the proper character set here
Message.Subject = Subject
Message.IsBodyHtml = IsHTML
Message.Priority = MailPriority.High
smtp.Credentials = New System.Net.NetworkCredential(Trim(UserName), Trim(PassWord))

'smtp.EnableSsl = True
Try
smtp.Send(Message)
k = 1
Catch ex As Exception
k=0
End Try
SendMailMessage = k
End Function

Comment by Gurpreet S Bakshi on "System.Net.Mail and embedded images"

Gurpreet S Bakshi — Fri, 20 Jul 2007 14:04:48 GMT

This is a great example. Works perfect where the case is to you an <IMG tag. Do you know a way to embed an image for a background-image property within the style of a particular element?

<td style="background-image: url(Images/BlueExplorer.gif);">Some Text Here

i have tried using Link resource and Alternate view the way you said and replaced the above URL text with cid:image1, but it doesn't seem to work.

Any suggestions?

Comment by mat on "System.Net.Mail and embedded images"

mat — Tue, 14 Aug 2007 04:22:57 GMT

thx mike you saved the day!!!!

Comment by Charlie on "System.Net.Mail and embedded images"

Charlie — Mon, 20 Aug 2007 09:27:12 GMT

Mike,

With outlook 2003 as the client this code works, but the image is still attached as a radomly named jpg and the html is also attached with another random name.

How can i avoid having the .htm and .jpg files showing up at all? Its quite important to my project that these don't show up.

Hope you can help.

Comment by mike on "System.Net.Mail and embedded images"

mike — Mon, 20 Aug 2007 11:13:04 GMT

@charlie -- I don't know what's wrong. I just tried it, and it worked perfectly in Outlook 2003. I can't help but think that it's some sort of configuration with the email client. If you send it to another client (e.g. gmail), perhaps it will work differently -- ?

In any event, I'm going to advise that if that doesn't work, you post a query on the ASP.NET forums (http://forums.asp.net). Since I can't repro the problem, I'm afraid I can't really help debug it. :-(

Comment by MAnoj on "System.Net.Mail and embedded images"

MAnoj — Wed, 20 Feb 2008 00:47:34 GMT

THANKS A LOT!!!
EXATLY WHAT I WAS SEARCHING FOR...