Counterintuitive truths about cold email infrastructure that most senders learn the hard way — after their domain gets burned.
Most people obsess over subject lines and personalization — but here's what nobody tells you: a brand-new domain sending cold emails will land in spam almost every time, no matter how good the email is.
Counterintuitive but true: scaling your cold email volume too fast is one of the fastest ways to get your domain blacklisted — permanently.
You added {{first_name}} and a custom line. You think it looks human. Gmail's algorithm doesn't agree.
Many cold emailers remove unsubscribe links thinking it makes emails look more personal. This often backfires badly.