Salesforce Email Blacklist Removal for Gmail: A Step-by-Step Fix

You check your campaign reports. Open rates have tanked. Half your audience is on Gmail. Something's wrong but Salesforce says the emails sent fine. Welcome to one of the more frustrating deliverability problems in the Salesforce ecosystem. Gmail isn't blocking you with a neat error. It's just quietly routing you to spam. Or occasionally bouncing you with a vague 5.7.x code that tells you almost nothing useful. The phrase "Gmail blacklist" gets thrown around a lot here, but it's a bit misleading. Gmail doesn't run a traditional public blocklist you can request removal from. It evaluates every sender based on a mix of reputation signals, and when those signals go bad, your inbox placement goes with them. Here's how to diagnose what's actually happening and fix it properly. First, figure out if you have a block or a spam problem These look similar on the surface but they're different problems with different fixes. A hard block means Gmail is rejecting the email outright and returning an