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.
|SBS 2011 Queue Viewer error 451 4.4.0 Primary target IP address responded with: "421 4.2.1 Unable to connect."...||14||83|
|Multiple Open Excel Spreadsheets||12||57|
|How do I get info about users, forwarders and their mailboxes on SBS 2011||1||20|
|Exchange Server alternative with the ability to fetch a pop account||4||37|