Send email (c#) using ews and set custom display name (from)

Question

How to connect to exchange service via exchange web services send a mail and the display name is custom ?
With this code, just connect to exchange server (ews) and send a mail.
How to change my code ?
private void t() {
const string subjectBody = "test email ";
const string username = "username";
const string password = "password";
const string domain = "domain";
const string ewsURL = "http://exchangesrv/ews/exchange.asmx";
unews.ExchangeServiceBinding esb = new unews.ExchangeServiceBinding();
esb.Credentials = new System.Net.NetworkCredential( username, password, domain );
esb.Url = ewsURL;
unews.CreateItemType newItem = new unews.CreateItemType();
newItem.MessageDisposition = unews.MessageDispositionType.SendAndSaveCopy;
newItem.MessageDispositionSpecified = true;
unews.MessageType msg = new unews.MessageType();
msg.Subject = subjectBody;
msg.Body = new unews.BodyType();
msg.Body.BodyType1 = unews.BodyTypeType.Text;
msg.Body.Value = subjectBody;
msg.ToRecipients = new unews.EmailAddressType[1];
msg.ToRecipients[0] = new unews.EmailAddressType();
msg.ToRecipients[0].EmailAddress = "[email protected]";
newItem.Items = new unews.NonEmptyArrayOfAllItemsType();
newItem.Items.Items = new unews.ItemType[1];
newItem.Items.Items[0] = msg;
try {
unews.CreateItemResponseType createItemResponse = esb.CreateItem( newItem );
if (createItemResponse.ResponseMessages.Items[0].ResponseClass == unews.ResponseClassType.Error) {
throw new Exception( createItemResponse.ResponseMessages.Items[0].MessageText );
else {
Console.WriteLine( "Item was created" );
catch (Exception ex) {
Console.WriteLine( ex.ToString() );
With this code, can connect to a exchange server (smtp) and send a mail, with a custom display name.
System.Net.Mail.SmtpClient smtpc = new System.Net.Mail.SmtpClient( "exchangesrv" );
System.Net.Mail.MailMessage mm = new System.Net.Mail.MailMessage( "CustomDisplayName <[email protected]>", "[email protected]", "test email", "test email" );
smtpc.Credentials = new System.Net.NetworkCredential( "username", "password", "domain" );
smtpc.Send( mm );

Answer 1

That won't work the way you want it in EWS, like when you send via Outlook or OWA when you send a messages via EWS it's submitted via the Exchange store so the Sender Address will be resolved back to the default Reply address for whatever account your trying
to send as. If you need some sort of custom display name I would suggest you stick to SMTP or possible create a Transport Agent that would rewrite the address before its sent externally.
Cheers
Glen