The obituary gets written every eighteen months and it is always wrong in the same way. Outbound did not stop working. What stopped working is sending a competent email to a person who has no reason to care, at a company with no reason to buy, in a week where nothing changed. That was always a bad idea. It used to survive on volume, and volume is now free for everyone, which means it is worth nothing.
The teams still booking meetings did not find a better subject line. They shrank the list and raised the bar for getting on it.
What actually broke
Three things happened at once. Inbox providers got aggressive about bulk-sending patterns, so the technical cost of high volume went up. Generative tooling made a passable personalised email free, so the differentiation value of a passable personalised email went to zero. And every buyer's inbox absorbed the resulting flood, so their threshold for what counts as relevant moved sharply.
The net effect: relevance is now the only scarce input. Not craft, not cadence length, not tooling. Whether the person receiving this has a live reason to read it this week.
A list is not a set of companies that look like your customers. It is a set of companies where something just changed.
Signals worth building on
Ranked roughly by how well they have held up across the engagements I have run. The weak ones are not useless; they are just not enough on their own.
Two signals stacked on one account beats one signal on ten. A new VP Sales at a company hiring three SDRs is a different conversation from either fact alone.
From signal to sequence
Volume discipline
Every team I take over is sending too much from too few domains. The fix is unglamorous: separate sending domains from your primary, warm them properly, keep per-mailbox volume under about forty a day, and treat bounce rate as a hard stop rather than a metric to explain away. Deliverability is not a growth lever, it is a licence to operate, and once it is gone it takes a quarter to get back.
The counterintuitive part: teams that cut send volume by 70% and raised list quality generally saw absolute meeting counts go up within two months. Fewer sends, better landing, better inbox reputation, better landing again.
What to look at weekly
Open rate is not on that list on purpose. It has been unreliable since privacy proxies became default, and teams that still optimise for it are optimising for noise.