Domain rotation and lifecycle
Managing domain lifespan, rebuild cycles, and send velocity to maximize sending capacity before retiring. Every Cold Email Daily story on domain rotation and lifecycle, newest first. 3 stories since November 2026.
- Illingworth puts a lifespan cost on every extra daily send
His fix when a campaign needs more volume is more inboxes, not a higher daily number.
- Illingworth, half of 10M emails came from dead inboxes
One agency's biggest account sent 76% of its email from inboxes that are gone, and human replies fell to 0.03 per 100.
Know what is landing before you burn another domain
One email a day. Under three minutes. What the operators found out yesterday.
- Illingworth, rebuild a domain 3 times before buying a new one
The domain-level version of his lifespan play, built on a book of 570,000+ inboxes he says his team has set up.
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Cold email and outbound, read daily so you do not have to. The campaigns, the reply rates, the deliverability findings and the copy that ran, from operators who send at real volume. No revenue flexes, no course launches.