cai

Cai Ellis

SEO Manager

Master in Design for Interactive Media (Middlesex University)

Hi! My name is Cai, and I've worked in digital marketing for many years. More recently, I've been concentrating on email marketing, through testing tools and writing guides. I have hands-on experience with WordPress email plugins like MailPoet. And I've also picked up a bit of SEO know-how along the way! If you've got questions about these or any related subjects, I'll be happy to help!

Cai Ellis's Articles

Permissions & Deliverability

How to calculate Email Delivery Rate

To calculate your email delivery rate, divide the number of emails successfully delivered by the total number of...

Cai EllisRobert Brandl

By Cai & Robert

Research

How many spam emails are sent per day in 2026: Spam Statistics: Junk Email, AI Scams & Phishing

Key findings: 51.8% of the emails sent every day are spam (Statista, 2025). Nearly 195 billion spam emails...

Cai EllisRobert Brandl

By Cai & Robert

Personalization & Automation

Email Personalization Strategies: 11 ways to connect with your contacts

If you’re struggling to run effective email campaigns, chances are that you’re not leveraging email personalization to connect...

Cai EllisInka Wibowo

By Cai & Inka

Designing & Writing

12 Newsletter & Email Subject Line Best Practices: How to ensure your messages are opened!

What was the last newsletter email you opened and read? I bet the subject line wasn’t “July Newsletter.”...

Cai EllisRobert Brandl

By Cai & Robert

Designing & Writing

Email Newsletter Best Practices:12 Proven Strategies

It’s crucial for businesses to stay connected with their audience. Email newsletters are an effective means of achieving...

Cai Ellis

By Cai

List Building

Email Scrubbing: Why it’s important for list hygiene, and How to do it correctly!

We all know that the potential ROI of an email list isn’t in the quantity of subscribers. It’s...

Cai EllisRobert Brandl

By Cai & Robert

Permissions & Deliverability

DMARC Record Examples: 8 different configurations with explanations

DMARC records are TXT records in a domain’s DNS that help protect email senders and recipients from spam,...

Cai Ellis

By Cai

Designing & Writing

Emojis in Subject Lines:Should you use them? 🤔

As an email marketer, you will hear many supposed advantages of using emojis in email subject lines. These...

Cai EllisRobert Brandl

By Cai & Robert

Research

Subscription Services and Dark Patterns: How Big Tech Keeps you Paying!

When we as consumers interact with businesses online, you can be sure that its marketers will throw every...

Cai EllisRoberta Phillips

By Cai & Roberta