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Email Marketing Glossary.

Clear, no-fluff definitions of every email marketing term that matters—from open rates to double opt-in. 

 

Plain Text Email

A plain text email contains only unformatted text — no HTML, images, or styling. It looks like a personal message and can feel more authentic, sometimes outperforming designed emails.

Also known as: plain-text email, text email

In a sea of polished, image-heavy campaigns, a plain text email can stand out precisely because it looks personal. It reads like a note from a friend rather than a brand broadcast.

When should you use plain text email?

For personal-feeling messages, founder notes, transactional confirmations, and re-engagement. Plain text can also help deliverability, since it avoids image-heavy content that filters scrutinize.

Plain text vs. HTML email

HTML emails support design, images, and branding; plain text prioritizes authenticity and simplicity. Many senders test both, and some send multipart emails containing both versions.

Plain text best practices

Keep it genuinely simple, write conversationally, use a clear text link for your CTA, and make sure it still renders well across clients.

Frequently asked questions

What is a plain text email?
A plain text email contains only unformatted text, with no HTML, images, or styling. It looks like a personal message and can feel more authentic than a designed campaign.
When should I use plain text emails?
They work well for personal-feeling messages, founder notes, transactional confirmations, and re-engagement. Plain text can also aid deliverability by avoiding the image-heavy content that spam filters scrutinize.
What's the difference between plain text and HTML email?
HTML emails support design, images, and branding, while plain text prioritizes simplicity and authenticity. Many senders test both, and some send multipart emails that include both a plain text and an HTML version.
Do plain text emails perform better than HTML?
Sometimes. Plain text can feel more personal and occasionally earns higher engagement, especially for one-to-one-style messages. The best approach is to A/B test both against your audience rather than assume.
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