I haven't been getting much direct email lately, but after reading a post here and there about others giving an expectation of privacy, I should probably outline what you can expect from mine.
1. If it's not related to the usual science/skepticism/atheism thing, I won't post your email unless you want me to.
2. If it's hate mail, it will be posted, dissected, and mocked. I don't get much at this point. This policy may change if I get a sudden influx. This is subject to some upcoming restrictions.
3. I won't post people's real names and locations unless they already use them online at a blog or something. If, for example, I get some invective from a Disco Institute top member with his name, photograph, and address on the Disco Institute website, I won't shy away from calling him by name. If I get an email labeled "Bob Smith" and he signs the email itself with "ScientologyLuvums317" or something that's obviously supposed to be an alias, I won't expose the name.
4. If you provide a link to your blog, don't be the least bit surprised if I end up dissecting and mocking pseudoscience I might find there. Your best defense is to not be silly in your email.
5. I won't out atheists without permission. I live in a chunk of the Bible Belt, and I know how hard things can be for someone not ready to expose that part of their identity. There are a lot of amoral, nihilistic bigots who seemingly live for the purpose of making life hard for atheists. For the people who can safely and comfortably live as an outed atheist in meatspace, kudos. Not all of us have the necessary bravery and/or safe locations.