depends  Python                                 &&

optional_depends  "apache"                      \
                  ""                            \
		  ""                            \
		  " (a web server is required)" &&

optional_depends  "apache-mod_ssl"              \
                  ""                            \
		  ""                            \
		  " (a web server is required)" &&

optional_depends  "postfix"                     \
                  ""                            \
		  ""                            \
		  " (an MTA is required)"       &&
		  
optional_depends  "exim"                        \
                  ""                            \
		  ""                            \
		  " (an MTA is required)"
