You'll need these ports open for outbound communication on your firewall to these URLs. Usage and Unlimited require different ports to be opened. You'll likely be an a Usage based plan.

Usage Based (most customers)- You’re charged based on how many emails you process per month. Requires an internet connection in order to report usage statistics but the contents of the email don’t get sent out.

OUTBOUND time.windows.com port 123

OUTBOUND serialkeymanager.com port 443 - Verify license key is valid. They do not receive any email contents.

OUTBOUND app.cryptolens.io port 443 - Verify license key is valid. They do not receive any email contents.

OUTBOUND usage.sigparser.com port 443 - Used to count requests. Content of the email is not received.

Unlimited - Parse an unlimited number of emails. No usage metrics are reported. The license key is automatically updated periodically (monthly/quarterly/annually) which will require a small handshake with Cryptolens.

OUTBOUND time.windows.com port 123

OUTBOUND serialkeymanager.com port 443 - Verify license key is valid. They do not receive any email contents.

OUTBOUND app.cryptolens.io port 443 - Verify license key is valid. They do not receive any email contents.

With unlimited you can also have an offline mode where SigParser doesn’t need an internet connection to work. We’ll need to help you reconfigure your key to support this scenario. Only the Unlimited plan supports this mode. You'll need to talk to our sales team to see if Unlimited will be a good fit for your business.