Introducing Superkabe: Cold Email Infrastructure ProtectionWe burned 12 domains in 3 months. So we built the protection layer that sits between Clay and Smartlead to validate, monitor, and heal automatically.6 min read·superkabe.hashnode.dev1Apr 18
Why Do Cold Emails Go to Spam After 2 Weeks?Your warmup went perfectly. Open rates above 60%. Inbox placement across Gmail, Outlook, Yahoo. The warmup tool dashboard was green across the board. Then you launched your first real campaign. Within5 min read·superkabe.hashnode.devApr 18
From Domain Purchase to First Reply: Engineering Deliverability-First OutboundI've been a developer my entire career. Sales was someone else's problem. Then our CEO asked me to figure out why our outbound emails weren't working, and I fell down a rabbit hole I didn't know exist9 min read·superkabe.hashnode.dev1Mar 24
