Hi there,
Thank you for sharing the feedback, we currently do not have any plans for increasing this limit and as we have seen the usage way below this number across our customers. Specifically for your use case, I hope you have accounted for below facts which might help:
When you set up restriction based on domain:
- The domains of companies and contacts that already exist in your helpdesk will be whitelisted automatically
- The domains created by an admin will be whitelisted automatically
- Twitter SSO will be disabled
- Tickets sent by domains that are not whitelisted will be dropped
- If an un-whitelisted domain is added as a CC, it will be dropped
However, tickets created by an agent on behalf of a customer whose domain is not whitelisted (or tickets created through chat or phone channel) will not be dropped. And the contact of the ticket requester will be whitelisted.
I will try to keep this thread updated if something around this changes.