TrueCommerce incident

B2BGateway Email Server IP Blocked

Minor Resolved View vendor source →

TrueCommerce experienced a minor incident on May 4, 2026 affecting TrueCommerce B2B Trading Network and TrueCommerce B2B Warehouse Support Site and 1 more component, lasting 1d 2h. The incident has been resolved; the full update timeline is below.

Started
May 04, 2026, 03:11 PM UTC
Resolved
May 05, 2026, 05:12 PM UTC
Duration
1d 2h
Detected by Pingoru
May 04, 2026, 03:11 PM UTC

Affected components

TrueCommerce B2B Trading NetworkTrueCommerce B2B Warehouse Support SiteTrueCommerce B2B Integrator

Update timeline

  1. 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.

  2. resolved May 05, 2026, 05:12 PM UTC

    Proofpoint has removed the block on our IP 74.118.73.43.