Australian B2C email decays at 2-3% monthly—but during peak churn periods (January after holidays, winter moves, back-to-school), monthly decay spikes to 5-7%. Australian consumers frequently abandon free email accounts, switch providers (Telstra to Optus, Gmail to Outlook), or create aliases for promotions. Disposable email usage surges around major sales events like Black Friday and... https://www.b2clead.org/australia-email-list/