MSCRM Email Plugins C# with and Without CRM Reference

 // Create a new activity party linked to a contact

Entity party1 = new Entity("activityparty"); party1["addressused"] = "some@email.com"; party1["partyid"] = new EntityReference("contact", contactId); // Create a new unresolved activity party Entity party2 = new Entity("activityparty"); party2["addressused"] = "unresolved@email.com"; // Create a new EntityCollection and add the 2 parties EntityCollection to = new EntityCollection(); to.Entities.Add(party1); to.Entities.Add(party2); // Create an email with the EntityCollection Entity email = new Entity("email"); email["subject"] = "Test Party Lists"; email["to"] = to; Guid _emailid = service.Create(email);

    if (_emailid != Guid.Empty)

    {

        SendEmailRequest sendEmailreq = new SendEmailRequest

        {

            EmailId = _emailid,

            TrackingToken = "",

            IssueSend = true

        };

        SendEmailResponse sendEmailresp = (SendEmailResponse)service.Execute(sendEmailreq);

    }