Cold Email
The tactical craft of cold email: what to write, how to personalize it, and how to structure a sequence that gets replies.
14 guides and growing
Why this matters
A delivered email that nobody opens is as useless as one that bounced. Cold email is a craft. The subject line, the first sentence, the ask, and the follow-up each decide whether a stranger writes back.
What you’ll be able to do
The guides
The Best Day and Time to Send B2B Cold Email
Tuesday to Thursday morning is the usual answer and it is roughly right, but the effect is small. Here is how to find the timing that works for your list.
How to Build and Verify a Cold Email List
A bought list is the fastest way to damage a new domain. Here is how to build a list from scratch, verify it properly, and what each bounce actually costs you.
Cold Email Benchmarks 2026: What Good Looks Like
The 2026 numbers for open, reply, bounce, and complaint rates, what counts as good versus average, and how to use them to diagnose a campaign.
Cold Email Compliance: CAN-SPAM, GDPR and the Rest
Cold email is legal in most places, with conditions. Here is what CAN-SPAM, GDPR and PECR each actually require, and the checklist that satisfies all three.
Cold Email Templates You Can Send Without Hurting Deliverability
Two ready-to-use cold email templates, written to perform well and avoid the patterns that trigger spam filters.
Cold Email vs LinkedIn Outreach: Which Works Better?
LinkedIn wins on reply rate, email wins on reach, cost and control. Here is how the two actually compare, and why most teams should run both.
The Complete Guide to Cold Email
The pillar guide to cold email: deliverability, writing, personalization, follow-up, and tooling, with links to every detailed subtopic in one place.
CSV Formatting Mistakes That Break Cold Campaigns
Broken merge fields, hidden whitespace and smart quotes cause more failed cold emails than spam filters do. Here is how to clean a file before import.
How Many Follow-Ups Should a Cold Email Sequence Have?
A practical cadence for cold email follow-ups. How many, how far apart, and why the last one often performs best.
Why Open Rates Are No Longer Reliable
Apple Mail Privacy Protection pre-loads tracking pixels, inflating open rates for a share of your list you cannot identify. Here is what to measure instead.
Personalization That Doesn't Feel Robotic, Even at Scale
How to personalize cold email so it reads as genuine, using a repeatable structure instead of mail-merge tokens alone.
Nobody's Opening Your Cold Emails? Fix Your Subject Line First
The subject line patterns that trigger spam filters and lose readers, and what to write instead.
Not Getting Replies? What to A/B Test First
A prioritized order for A/B testing cold email, starting with the change that moves the numbers the most.
Where RepMail Fits Into Your Cold Email Workflow
A practical, honest breakdown of what RepMail handles in a cold email operation, and what is still your job.
How RepMail helps here
The guides teach the craft. These are the parts RepMail handles for you.
Explore RepMail- AI-assisted drafting and personalisation
- Sequenced follow-ups on a schedule
- Open and reply tracking