pipe, or t or `pty' to use a pty. The value has no effect if the
system has no ptys or if all ptys are busy: then a pipe is used
in any case. The value takes effect when a IMAP server is
pipe, or t or `pty' to use a pty. The value has no effect if the
system has no ptys or if all ptys are busy: then a pipe is used
in any case. The value takes effect when a IMAP server is