Sender Policy Framework, or SPF. SPF is an open standard that specifies a method for preventing sender address forgery, according to openspf.org. It isn’t about stopping spam; it’s about controlling and stopping attempted sender forgeries.Kitterman.com - E-Mail SPF Testing tool
Whether you have a network in your home or business, you need to make sure that it is secure and can be accessed remotely. It is essential that you have a complete look at your network from both internally and externally. We are all about Network Security!