\begin{classdesc}{IMAP4_stream}{command}

This is a subclass derived from \class{IMAP4} that connects

to the \code{stdin/stdout} file descriptors created by passing \var{command} to \code{os.popen2()}.

\end{classdesc}

The following utility functions are defined:

\begin{methoddesc}{login_cram_md5}{user, password}

Force use of \samp{CRAM-MD5} authentication when identifying the client to protect the password.

Will only work if the server \samp{CAPABILITY} response includes the phrase \samp{AUTH=CRAM-MD5}.

\end{methoddesc}

\begin{methoddesc}{logout}{}

\begin{methoddesc}{proxyauth}{user}

Assume authentication as \var{user}.

Allows an authorised administrator to proxy into any user's mailbox.

\end{methoddesc}

\begin{methoddesc}{read}{size}