Check which ports are open to the outside world. Helps make sure that your firewall rules are working as intended.
One of a set of tools we are providing to everyone as a way of saying thank you for being a part of the community.
Add your voice to the tech community where 5M+ people just like you are talking about what matters.
|A fatal alert was received from the remote endpoint. The TLS protocol defined fatal alert code is 46||1||40|
|Exchange without Clustering Redundancy||8||27|
|Setup DMARC / SPF / DKIM on Exchange 2010||3||36|
|Yahoo accounts cannot to send to NAME@MAIL.MYDOMAIN.com, but can send to NAME@MYDOMAIN.com Exchange.||21||29|