Today No-IP.com lauched custom challenge emails for Anti-spam ECR. If you don’t know what Anti-spam ECR is, you should take a look at it. Basically, instead of having all kinds of automated sources slinging email at you, Anti-spam filters out the non-human ones. If you do want messages from automated sources you can easily add them to your authorized senders list. There are a host of other features as well. Anti-spam ECR simple, easy, and it keeps your Inbox spam free. And now it is even more customizable!