Fardeen Karim

How to set up cold email: domains, mailboxes and DNS

The setup every cold email campaign needs before the first email: separate domains, the right number of mailboxes, SPF, DKIM and DMARC, and warm-up.

Email warm-up explained: how long it takes and what it does

What warm-up does, how long a new mailbox needs before campaigns, how fast to ramp up, and the signs that warm-up is working or not.

How many cold emails can you send a day without spam?

Safe daily volume per mailbox, why Google's sending limits are the wrong number to aim for, and how to scale by adding mailboxes instead.

How to write a cold email that gets replies

A simple four-part structure for cold emails, how to personalise without spending all day, and how to write follow-ups people actually answer.

How to build a B2B lead list that doesn't bounce

Where to find the right people, how to define who you're looking for, and how to clean and verify a list so bounces stay under 2%.

Email tracking in Gmail: how it works and what you can trust

How open and click tracking really work in Gmail, simple ways to add them without heavy extensions, and why an open can be counted when nobody read the email.

Cold email open rates: why the number misleads you

Why open rates stopped being a reliable measure of cold email, what a sudden drop can still tell you, and the numbers worth judging a campaign by instead.

Cold email strategy for 2026: what works now

The whole strategy on one page: who to email, what to offer, the setup, the sequence, the numbers and how to improve.

What is a good cold email reply rate? My 12M email numbers

The 1-3% reply rate I've mostly seen across roughly 12 million cold emails, what moves it up or down, and how to tell whether your campaign has a real problem.

Cold email copywriting: how to write emails people answer

How to write each part of a cold email and its follow-ups, with before-and-after examples and the mistakes to avoid.

Cold email subject lines: how to write ones that get opened

How I write cold email subject lines: short, plain and specific to the person. With examples by situation, what to avoid, and how to test them properly.

Cold email opening lines that don't sound like a template

How to write the first line of a cold email: patterns that sound human, examples of each, what to stop writing, and how to personalise without faking it.

Cold email examples you can adapt, with why each one works

Short cold email examples for agencies, SaaS, freelancers and recruiters, plus a follow-up, each with a note on why it's written that way.

How many follow-ups should a cold email get? My exact timing

The sequence I use: one email and three follow-ups, waiting 3, 5 and 7 days. What to say in each, when to stop, and how to avoid annoying people.

Why your cold emails go to spam, and how to fix each cause

The real reasons cold email lands in spam, in the order I'd check them: authentication, volume, list quality, new domains, content, and how to confirm the fix.

Gmail bulk sender requirements: what cold emailers must do

Google's sender rules in plain English: who counts as a bulk sender, the 0.3% spam line, SPF, DKIM, DMARC, one-click unsubscribe, and Microsoft and Yahoo.

Is cold email legal? US, UK, EU, Germany, Canada, Australia

What the law says about B2B cold email in the US, UK, EU, Germany, Canada and Australia, what each email needs, and when you need consent. Not legal advice.

Google Workspace for cold email: limits and a safe setup

Why Google Workspace is a common choice for cold email, its real sending limits, the setup I use, and the mistakes that cost you domains.

How to find someone's work email, and check it's real

Practical ways to find a work email address: company sites, patterns, LinkedIn exports and lead tools, plus how to verify an address without emailing it first.

How to verify an email list before you send a cold campaign

How email verification works, what valid, risky and invalid really mean, when to verify, how to treat catch-alls, and how to keep your bounce rate under 2%.

Cold email mistakes I've seen sink campaigns over 12M emails

The mistakes that kill cold email campaigns, from bad lists and weak offers to spam problems, and what to do instead. Learned over about 12M emails.

How to start cold emailing: your first campaign in 30 days

A week-by-week plan from nothing to a running campaign: who to email, domains, mailboxes, warm-up, list, copy and launch.

AI for cold email: where it helps and where it hurts

Where AI helps with cold email, such as drafts, first lines and replies, where it hurts, how to prompt it, and the checks to run before anything is sent.

Cold email deliverability: the complete playbook

Everything that decides whether cold email reaches the inbox, in the order to check it, with the numbers that matter.

Case study: 30+ meetings for a European marketing agency

How a European SEO and marketing agency booked 30+ meetings with trades and home service companies: 168 mailboxes, about 121,000 emails, in 2-3 months.

Cold email for agencies: win clients, then run it for them

How an agency uses cold email to win its own clients, then runs it as a service without mixing the two up.

Case study: 30+ demos for a US sales software company

How a US marketing and sales software company booked 30+ demos with founders and CEOs: 36 mailboxes, a niche list, short plain emails and personal first lines.

Scaling cold email: from 5 mailboxes to 50

How to grow sending volume without losing deliverability: mailboxes, domains, lists and the numbers to watch.

Turning cold email replies into meetings

How to answer every kind of reply to a cold email, fast, so interest becomes a booked call.

How to fix domain reputation when your email lands in spam

Step by step: find out why a domain's email goes to spam, fix it, and bring it back to sending safely.