Stop guessing about deliverability. Build a sender reputation that lasts.
The era of spray-and-pray cold email ended in February 2024. Google and Yahoo mandate strict authentication and spam rates below 0.3%. We document the technical reality of modern outreach.
Read the Deliverability Guide
The Core Infrastructure
Before you send a single message, your technical foundation must be flawless. Missing a DMARC record or misconfiguring your SPF will result in immediate blacklisting.
Strategy & Content
AI generated templates fail because they lack specificity. Real conversion comes from highly targeted, painfully relevant copy sent to validated lists.
Common Mistakes in 2024
1. Relying entirely on "warmup" tools. Warmup pools are increasingly identified by major inbox providers. Organic reputation is required.
2. Ignoring bounce rates. Anything above a 2% hard bounce rate damages your sender reputation across the entire domain.
3. Using tracked links for cold outreach. Tracking pixels and wrapped links are the fastest way to the spam folder.
Interactive Tools
Calculate your metrics and test your setup.