PrincipalInfo.Email Field
E-mail address that is associated with a user of a SharePoint site.
Namespace: [People Web service]
Web service reference: http://Site/_vti_bin/People.asmx
Syntax
'Declaration
Public Email As String
'Usage
Dim instance As PrincipalInfo
Dim value As String
value = instance.Email
instance.Email = value
public string Email
Remarks
This is the full Simple Mail Transfer Protocol (SMTP) or Session Initiation Protocol (SIP) e-mail address for the user, rather than the alias without the domain name.