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.
|#< #5.0.0 smtp; 5.4.7 - Delivery expired (message too old) 'EOF' (delivery attempts: 0)> #SMTP#||7||72|
|Exchange 2010 > 2016 mail flow||2||60|
|Exchange 2010 - SAN cert renewal||5||49|
|Exchange 2008 new SSL certificate with new name||3||54|
Join the community of 500,000 technology professionals and ask your questions.