Bad news: You’re on a blocklist. Worse news: That’s not even the real problem.

Table of contents 01 The symptom isn’t the problem 02 What even is a blocklist? 03 We hold these truths to be self-evident: Not all blocklists are created equal 04 Sometimes the warning light is just…there 05 How do you end up blocklisted? 06 When should you actually care about being blocklisted? 07 Use the data, but don’t outsource the diagnosis What to actually investigate The fix is usually boring 08 The real question Your deliverability metrics are dropping. Maybe Gmail placement is…