Half of 10M emails came from inboxes already binned
Richard Illingworth says one agency's biggest account sent 76% of its email from inboxes that no longer exist, and human replies there fell from 0.51 per 100 in March to 0.03 in September. Swapping in fresh inboxes at the same send limits did not stop the slide.
Read the whole week in one goShields: 21-word email, 7.1% reply rate
Landing in the inbox
Illingworth: half of one agency's 10M emails came from dead inboxes
Richard Illingworth reviewed one lead-gen agency's 5,923 inboxes and says more than half of its 10 million emails on record came from inboxes already removed. On its biggest account, 76% of sending came from gone inboxes and human replies fell from 0.51 per 100 emails in March to 0.03 in September.
swapping in fresh inboxes didn't save them.
Campaigns and numbers
Abraham posts campaign numbers: hairnets at 3.6%, billing at 1.9%
Nick Abraham published cold email campaigns with the offer and the numbers behind each. A hairnet supplier selling to food processing plants, promising every case is counted before it ships plus a free sample pack, got 74 replies from 2,048 leads at 3.6%, 5 interested.
The offer was to get them 20% or more out of their claims, free for the first month with no strings attached.
Workflows and tooling
Christian publishes a prompt for one GTM file every AI tool reads
Christian posted a prompt that builds a single GTM source-of-truth doc, so you stop re-explaining your ICP to Clay's Sculptor, HubSpot's Breeze and Apollo's assistant one at a time.
If something's missing, list it as a question at the end instead of guessing.


