Send email using Outlook from web service

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In my ASP .NET (C#) web service application I'm calling method in another class (in same assembly) like SendEmail().
My SendEmail() method is like this.

C#

Outlook.Application oApp;
Outlook._NameSpace oNameSpace;
Outlook.MAPIFolder oOutboxFolder;
            
oApp = new Outlook.Application();
            
oNameSpace = oApp.GetNamespace("MAPI");
oOutboxFolder = oNameSpace.GetDefaultFolder(Outlook.OlDefaultFolders.olFolderOutbox);

Outlook._MailItem oMailItem = (Outlook._MailItem)oApp.CreateItem(Outlook.OlItemType.olMailItem);
oMailItem.To = "sanjeewa@ss.com";
oMailItem.Subject = "subjectValue";
oMailItem.Body = "bodyValue";
oMailItem.SaveSentMessageFolder = oOutboxFolder;
            
oMailItem.Send();

When I'm running this on code email is sending successfully. Then I publish this and added this to the IIS web sites. But when browsing the .asmx from there error comes

System.UnauthorizedAccessException: Retrieving the COM class factory for component with CLSID {0006F03A-0000-0000-C000-000000000046} failed due to the following error: 80070005 Access is denied. (Exception from HRESULT: 0x80070005 (E_ACCESSDENIED)).
at System.Runtime.Remoting.RemotingServices.AllocateUninitializedObject(RuntimeType objectType)
at System.Runtime.Remoting.Activation.ActivationServices.CreateInstance(RuntimeType serverType)
at System.Runtime.Remoting.Activation.ActivationServices.IsCurrentContextOK(RuntimeType serverType, Object[] props, Boolean bNewObj)
at System.RuntimeTypeHandle.CreateInstance(RuntimeType type, Boolean publicOnly, Boolean noCheck, Boolean& canBeCached, RuntimeMethodHandleInternal& ctor, Boolean& bNeedSecurityCheck)
at System.RuntimeType.CreateInstanceSlow(Boolean publicOnly, Boolean skipCheckThis, Boolean fillCache)
at System.RuntimeType.CreateInstanceDefaultCtor(Boolean publicOnly, Boolean skipVisibilityChecks, Boolean skipCheckThis, Boolean fillCache)
at System.Activator.CreateInstance(Type type, Boolean nonPublic)
at System.Activator.CreateInstance(Type type)

Posted 17-Dec-12 21:47pm

Sanyon_d

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Kiran Susarla · Answer 1 · 2012-12-17T22:00:00

Solution 1

This is because on your local machine you might have Microsoft Outlook installed and MAPI is configured.
When you publish, in your webserver may be Outlook is not installed and it is not able to find the required COM component.

If Outlook is installed on your webserver, from your webserver you cannot access outlook as that will be a security violation. Your webservice will be running in different account and cannot access Outlook.

Posted 17-Dec-12 22:00pm

Kiran Susarla

Comments

Sanyon_d 18-Dec-12 22:40pm

Thanks for the reply. Then how can I send email from the web service using Outlook. Outlook is installed in the web server.

Kiran Susarla 18-Dec-12 23:14pm

I am not clear on your complete requirement. Any specific why do you want to send emails using Outlook?

Sanyon_d 20-Dec-12 23:36pm

Because server has configured the outlook only.