![SPF](https://www.greatservice.com/wp-content/uploads/2023/03/SPF.jpg)
SPF
SPF (Sender Policy Framework). Have you ever received a sketchy-looking email that you just knew wasn't from your boss, but from a sneaky cyber-criminal trying to steal your...
![SSO (Single Sign On)](https://www.greatservice.com/wp-content/uploads/2023/03/SSO.jpg)
SSO (Single Sign On)
SSO (Single Sign-On) is like having a VIP pass to a bunch of different parties. Instead of having to remember a different password for every party you want to attend, SSO lets...