For years, email developers have relied on invisible spacing hacks to influence what appears alongside the subject line in the inbox. But there can be a cleaner, more consistent approach: a simple meta tag.

Our latest blog post explores how preview text could be standardized using a metadata-based solution, which aligns with how Google's Gmail and Yahoo Mail already support Schema.org structured data in emails today.

No need to reinvent the wheel. Just a shared, interoperable way to explicitly set the preview text.

Read more:
https://emailmarkup.org/en/blog/2025/how-email-clients-improve-preview-text/