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1.There are certainly services out there that you can run the email through and it can do a potential spam check (ex. Email on Acid, Litmus, etc.).
However, when an email bounces for spam, you're not going to know what content in the email made it bounce. It could be a load of reasons from too many links, too many images, spammy verbage, from address, your sender reputation, your shared IP sender reputation, etc.
2. Words I tend to avoid are: