Practical capitalization rules for clearer email communication and better engagement.
Use sentence case or title case consistently. Avoid all-caps subject lines because they may look spammy and reduce trust.
Use standard sentence case for readability. Reserve uppercase for acronyms and short emphasis only.
Sentence case CTA labels usually feel more approachable in product and support emails.
Related resources: Lowercase Converter • Sentence Case for UI • What UPPERCASE Means Online
Usually no. They can trigger spam-like perception and reduce click trust.
Sentence case body copy with consistent capitalization in headings and CTAs.