Library /sys$common/syshlp/nclhelp.hlb set, session_control, application, outgoing alias (OpenVMS)  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    Default: False	Value: True or false

    Specifies whether a particular object uses the alias node
    identifier in its outgoing connect requests. If false,
    the specified object is not allowed to use the alias node
    address in its outgoing connect requests.

    Example:

    set session control application mail outgoing alias true