Allowing these domains should resolve most access, loading, or email delivery issues.
Quick Start
Network Requirements
Find out which domains to whitelist to ensure Caplena works on corporate networks.
If you’re experiencing issues loading Caplena, or receiving emails, this is often caused by network restrictions such as firewalls, proxy settings, or domain blocking.
Please ask your IT team to whitelist the following domains:
Last modified on October 10, 2026