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Priority: Medium
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Views: 245
Last Modified: 2015-01-23

Error using example code to email from my C# code

Hi, I'm using VS2012.
I used this example, https://msdn.microsoft.com/en-us/library/ms268749%28v=vs.110%29.aspx
just the code for CreateEmailItem()
I'm getting error in VS at
MailItem eMail = (MailItem)(this.Application.CreateItem(OlItemType.olMailItem));

Also, where do I set the "Send From" email? This will be called from my web application. Would Office/outlook need to be installed on the web server?

Thank you.
email.txt

lapucca

Asked: 2015-01-22

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1 Solution

LVL 23

Michael FowlerSolutions ConsultantCommented: 2015-01-22

I have always used the SMTPClient class to send email as it does not require Outlook installed locally

Here is the MSDN page which includes an example
https://msdn.microsoft.com/en-us/library/system.net.mail.smtpclient(v=vs.110).aspx

LVL 23

Michael FowlerSolutions ConsultantCommented: 2015-01-22

Here is an example I have used before. Note there is no error handling in this code

using System.Net.Mail;

      public void SendEmail(string subject, string body) {
                    
		MailMessage message = new MailMessage();
		message.To.Add("me@home.com");
		message.Subject = subject;
		message.Body = body;

		new SmtpClient().Send(message);
		message.Dispose();
      }

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The MailMessage class has quite few option including a From field
https://msdn.microsoft.com/en-us/library/system.net.mail.mailmessage(v=vs.110).aspx

lapuccaAuthor Commented: 2015-01-22

Thank you, yes, that's what I used before.
Question about if Office need to be installed on web server for this to work or not?

LVL 23

Michael FowlerSolutions ConsultantCommented: 2015-01-22

Your first example, yes. The one I posted no.

Note in my example I used SmtpClient() as I had set up my Smtp connection settings in the config file eg
https://msdn.microsoft.com/en-us/library/ms164240(v=vs.110).aspx

You will need to know the smtp server name in your environment and set this when creating the SmtpClient object or in your config settings.

LVL 71

Éric MoreauSenior .Net ConsultantCommented: 2015-01-22

Yes your sample requires Office to be installed which is really not a good thing especially on a server.

Have a look at http://emoreau.com/Entries/Articles/2007/09/Using-SystemNetMail.aspx

lapuccaAuthor Commented: 2015-01-23

Eric,
The only difference I see is the host parameter is set for the smtpClient before sending the email. So setting the Host would then not require the web server to have to install office? Thank you.

SmtpClient smpt= new SmtpClient();
smpt.Host = "";

smpt.Send(message);

lapuccaAuthor Commented: 2015-01-23

Oh, just saw that Michael answered my question already before Eric. Thank you both.

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Error using example code to email from my C# code

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