SenderEmailType Property
Returns a String that represents the type of entry for the e-mail address of the sender of the message, meeting item, or post, such as 'SMTP' for Internet address, 'EX' for a Microsoft Exchange server address, etc. Read-only.
expression.SenderEmailType
expression Required. An expression that returns one of the objects in the Applies To list.
Example
The following Microsoft Visual Basic for Applications (VBA) example demonstrates how to use the SenderEmailType property. To run this example without errors, an e-mail item should be open in the active inspector window.
Sub SenderEmailTypeExample()
Dim myOlApp As New Outlook.Application
Dim mail As Outlook.MailItem
Set mail = myOlApp.ActiveInspector.CurrentItem
MsgBox mail.SenderEmailType
If mail.SenderEmailType = "SMTP" Then
MsgBox "Message from Internet e-mail user."
Else
If mail.SenderEmailType = "EX" Then
MsgBox "Message from internal Exchange user."
End If
End If
End Sub