Write only. Specifies the login to be used on
the SMTP Server during the authentication process.
Set the
AuthType
property with the authentication mode you wish to use.
To use the interactive user Windows authentication mode, set the
AuthType to
mmAuthNtlm and leave
the
AuthLogin property empty.
When using the
mmAuthNtlm with
a specific user you must specify the domain name and the account name
using the
domain\account
syntax.