Why would anyone even bother opening unsolicited porn and other spam emails? You can't be offended by the content if you don't look at it! I shut off the preview feature on my email, so all I see there is a list of messages, showing who it's from (supposedly, at any rate) and what the subject matter is (again, supposedly). I then delete all the emails that are not most definitely from someone I already want to hear from without ever opening them. End of story.

I do sometimes open the Nigerian type spam, however, because it can provide a good laugh... ;-)