B2BGateway Email Server IP Blocked
Timeline · 2 updates
- identified May 04, 2026, 03:11 PM UTC
Email Delivery Advisory (Proofpoint Customers Only) Proofpoint has temporarily blocked a B2BGateway mail server IP (74.118.73.43) due to spam filtering rules. This impacts only B2BGateway customers using Proofpoint. The IP is not listed on other major blocklists. We have opened a request with Proofpoint to remove the block and are actively monitoring. Customers may also submit a request with Proofpoint to help expedite resolution: https://www.proofpoint.com/us/ipcheck Please note, all Support tickets or New Partner Implementation notes are still available to view and respond to on the B2BGateway Portal.
- resolved May 05, 2026, 05:12 PM UTC
Proofpoint has removed the block on our IP 74.118.73.43.