Inspired from this post.
Be aware that if you have all your sites on a shared IP address and that IP gets listed in the ORBS database as being a source of spam.
You can say goodbye to a lot of visitors.
Several ISP's now block sites sitting on ORBS listed IP addresses. Also email can suddenly stop being received by various places you would like to send legitimate emails to. No doubt the search engines take a spam listing into consideration when indexing too.
Be aware that if you have all your sites on a shared IP address and that IP gets listed in the ORBS database as being a source of spam.
You can say goodbye to a lot of visitors.
Several ISP's now block sites sitting on ORBS listed IP addresses. Also email can suddenly stop being received by various places you would like to send legitimate emails to. No doubt the search engines take a spam listing into consideration when indexing too.