Playbook
What we have learned sending for clients, written down so you can check our work.
How many cold emails per day per mailbox is safe?
We send 30 cold emails per mailbox per day. Here is why that number, how it ramps up during warmup, and what should make you lower it.
· 6 min read · deliverability
Lookalike domains for cold email: how to choose and set them up
Why cold email should never leave your main domain, how we pick 4 lookalike names, and how to forward, authenticate and own each one.
· 6 min read · infrastructure
What a cold email campaign costs in 2026, line by line
We price the six things every campaign needs at typical 2026 rates, explain how agency retainers work, and show where a $199 launch fits.
· 7 min read · strategy
A cold email first line that gets replies: one worked example
We take one fictional company and one observed fact, rewrite three weak openers, and build a full 4-email sequence on the first line that survives.
· 7 min read · copywriting
Cold email vs paid ads for B2B services: which to fund first
We compare how you pay, how fast each reaches a first conversation, and what you keep afterwards, then recommend one for deals above $1,000.
· 7 min read · strategy
Cold email deliverability in 2026: what changed and what to do
Google and Microsoft now enforce sender rules that used to be advice. Read what they require, what they reward and the setup that works in 2026.
· 5 min read · deliverability
How to write a cold email first line that gets read
The first 40 characters decide whether the email gets read. Find an observed fact worth opening with, write it plainly, and drop the openers that fail.
· 5 min read · copywriting
Email warmup explained: why 14 days is the minimum
What warmup actually does to a new mailbox, why the ramp cannot be compressed, and how to tell whether a domain is ready to send cold email.
· 5 min read · deliverability
How many mailboxes and domains do you need to send 10,000 emails?
A worked example: from 2,500 leads and a four-step sequence to the number of mailboxes, domains and days you need, with the arithmetic shown.
· 5 min read · infrastructure
Cold email reply rate benchmarks by industry
Why most published reply-rate benchmarks mislead, what moves reply rates between industries, and how to set planning numbers you can defend in 2026.
· 5 min read · benchmarks
Why a $60 a month tool does not book calls
Cold email tools are good at sending. Booked calls depend on everything before the send button and after the reply, and a subscription does none of it.
· 5 min read · strategy