-and nnimap support it too - altough the most recent versions of SSLeay,
-0.9.x, are known to have serious bugs making it useless. Earlier
-versions, especially 0.8.x, of SSLeay are known to work.
+and nnimap support it too - altough the most recent versions of
+SSLeay, 0.9.x, are known to have serious bugs making it
+useless. Earlier versions, especially 0.8.x, of SSLeay are known to
+work. The variable @code{imap-ssl-program} contain parameters to pass
+to OpenSSL/SSLeay.
+
+@vindex imap-shell-program
+@vindex imap-shell-host
+For IMAP connections using the @code{shell} stream, the variable
+@code{imap-shell-program} specify what program to call.