Code to Receive Email using Outlook in C#

Introduction: Here is the code to read mail from outlook. The outlook is software developed by Microsoft to configure your mail box on your computer. And by using this code we can use outlook mails to process our requirement. The attachment with mails is also processed in this article.

NameSpace :

First of all you need to add a reference for ‘Microsoft.Office.Interop.Outlook’

And the use this namespace on your page.

using OutlookApplication = Microsoft.Office.Interop.Outlook;

    

Code :

Here is the complete code to read mails from outlook :

{

       OutlookApplication._Application outlook = new OutlookApplication.ApplicationClass();

            OutlookApplication._NameSpace Oname = outlook.GetNamespace("MAPI");

            Oname.Logon("your default outlook profile name", Missing.Value, false, false);

            OutlookApplication._SyncObject _syncObject = null;

            _syncObject = Oname.SyncObjects[1];

            _syncObject.Start();

            //System.Threading.Thread.Sleep(30000);

            _syncObject.Stop();

            _syncObject = null;

            Microsoft.Office.Interop.Outlook.MAPIFolder myInbox = Oname.GetDefaultFolder(Microsoft.Office.Interop.Outlook.OlDefaultFolders.olFolderInbox);

            OutlookApplication.Items attachItems = myInbox.Items;

            string filter = "@SQL=" + "urn:schemas:httpmail:subject LIKE '%HELLO%' AND "

                                           + "urn:schemas:httpmail:datereceived >= '"

                                           + (DateTime.Now.ToUniversalTime()).ToString("MM/dd/yyyy") + "' AND "

                                           + "urn:schemas:httpmail:hasattachment = True";

            attachItems = attachItems.Restrict(filter);

            if (attachItems.Count > 0)

            {

                foreach (OutlookApplication.MailItem mail in attachItems)

                {

                    //mail.SenderEmailAddress;

                    foreach (OutlookApplication.Attachment attach in mail.Attachments)

                    {

                        //check for Path.GetExtension(attach.FileName) == ".zip"

                        if (attach.Size > 0 & attach.Type == OutlookApplication.OlAttachmentType.olByValue)

                        {

                            //SAVE FILE

                            mail.UnRead = false;

                        }

                    }

                }

            }

            attachItems = null;

            myInbox = null;

            Oname.Session.Logoff();

            Oname.Logoff();

            Oname = null;

            outlook.Quit();

            outlook = null;

            GC.Collect();

            GC.WaitForPendingFinalizers();

}