Performs a proxy login to GroupWise.
Specifies the context identifier for this user's session.
Specifies the identifier of the current user.
Specifies the proxy to the user's account.
Returns the same values as User.Login.
<A href="/servlet/webacc?User.context=xyz&action=Proxy.Login &User.id=John Doe&User.proxyId=John Doe2"> Proxy Login </A>