Send Email using Office 365 exchange in ASP.Net Visual Studio

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  I want to send and save emails from our intranet based CRM. We are using Visual Studio 2017 Enterprise edition. Following is the code I am using to send email through exchange Office 365. In this, I have to pass the password in plain text to provide credentials all the time. 

  My question is "Is there any other way I can send and save email using Exchange Web Service without passing password?"

  Because I have to store this password for every single user when they want to send email! And I do not want to store passwords on SQL server or in memory!!!

    var service = new Microsoft.Exchange.WebServices.Data.ExchangeService(Microsoft.Exchange.WebServices.Data.ExchangeVersion.Exchange2013_SP1);
                             
                              string fromAddress = Security.EXCHANGE_EMAIL; 
                              string fromPassword = Security.Password;
                              service.Credentials = new Microsoft.Exchange.WebServices.Data.WebCredentials(fromAddress, fromPassword);
                              service.TraceEnabled = false;
                              service.EnableScpLookup = true;
                              service.Url = new Uri("https://outlook.office365.com/ews/exchange.asmx");
                              Microsoft.Exchange.WebServices.Data.Appointment appointment = new Microsoft.Exchange.WebServices.Data.Appointment(service);

  • Moved by Sara LiuMicrosoft contingent staff Tuesday, April 17, 2018 6:33 AM

  Tuesday, April 10, 2018 2:11 PM