There are pluses and minuses to doing email accounts ...
It can be a tool to bring in more money .. Doesn't take much resources ... Problem is you take the risk of someone using the server for sending spam and getting the sever blacklisted on DNSBL lists making it hard to get legitimate mail out ...
Some solutions for those that need email and webspace for things like sigs is to use something like the sites I've listed below ... most people can afford the price of $1 month .. The firts link doesn't even have a setup fee ...
http://1dh.us/
http://www.onedollarhosting.net/
http://www.onedollarhost.net/