| 
  
           
            A
            
             
              string
             
            
            value
that represents the transport security used by the Email service when
communicating with the POP3 or IMAP server. The value depends on
how the email server is configured.
            
            These values are valid:
            
            
             None:
            
             Clear text
            
             
             SSL:
            
             Secure Sockets Layer
            
             
             TSL:
            
             Transport Layer Security
             
              For information about configuring
default properties, see
              
               Datatype specific settings
              
              .
             
             
           
            
           
           
            Datatype specific settings
           
            
             A list of valid transport securities used for communicating
with the POP3 or IMAP servers.
             
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