The CdoProtocolsAuthentication enumeration is used to set the smtpauthenticate Field and nntpauthenticate Field in a Configuration CoClass object. Using this enumeration, you specify what authentication mechanism (if any) is used to perform authentication with a SMTP or Network News Transfer Protocol (NNTP) service when sending or posting messages over the network. Sending or posting messages over the network using the TCP/IP and SMTP/ NNTP/ is controlled using the sendusing Field and postusing Field.

Type Library

Microsoft CDO for Exchange 2000 Library

DLL Implemented In

CDOEX.DLL

Values

Name	Value	Description	cdoAnonymous	0	Perform no authentication.	cdoBasic	1	Use the basic (clear text) authentication mechanism.	cdoNTLM	2	Use the NTLM authentication mechanism.