It’s interesting that online retailer Bluefly is taking their e-mail delivery in-house because of fears their messages will be caught by spam filters if they use an outside technology partner. Most people do this in the exact opposite order — outsourcing for fear of being labeled spammers. Thing is though, companies are in a bit of a bind as most large e-mail services providers are now (rightly or wrongly) on blacklists across the Net. At the same time, companies don’t want to appear on those lists themselves, so they are stuck.