Here is an interesting article by way of UC Berkeley’s Computing and Communications newsletter. It offers an exhaustive description of the various methods one can employ to fend off evil spammers (yes, I know those last two words are redundant).
Here are some bullet points of the various tactics you can employ on your church web site:
- accepting email via contact forms
- obscuring addresses
- requiring authentication to view private pages
- redirecting harvesting tools
Now go read the article and read the pros and cons of each of the above methods.