Introducing Superkabe: Cold Email Infrastructure ProtectionWe burned 12 domains in 3 months. Not because we were spamming. We were running legitimate B2B outreach — 40 domains, 150 mailboxes, sending through Smartlead. Our Clay enrichment was solid. Our copy 1Apr 18 · 6 min readsuperkabe.hashnode.dev
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. WithinApr 18 · 5 min readsuperkabe.hashnode.dev
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 exist1Mar 24 · 9 min readsuperkabe.hashnode.dev
