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Emailens
Marketing Template · Adapted from React Email (MIT)

Newsletter · Arcane

Overall compatibility: 95/100 across 21 email clients · 20 of 21 clients passing (6 clean at 100%) · 134 compatibility warnings (0 error-level) · 24.4KB compiled HTML.

Cross-client fidelity Tested against 21 email clients. 6 of 21 clients render cleanly with 100% fidelity. Only Outlook Classic has reduced fidelity (67/100) due to legacy desktop engine constraints.
email://preview/ arcane-newsletter.html
RE

Attribution · React Email

Template adapted from the open-source React Email collection under the MIT License (© Plus Five Five, Inc. / Resend). Full React source code is included.

Client Compatibility

Score: 95/100 · 20/21 passing

21 clients tested
6 of 21 clients render with 100% fidelity. Lowest is 67/100 in Outlook Classic due to legacy desktop styling limitations.

Notes on this template

It opens: "Newsletter Hi there, We're glad you're here. This is where we share routine notes, ingredient spotlights, and first word on drops, plus the occasional restock alert before shelves clear. No inbox clutter, just emails when we have something worth your...". Preheader: "The latest from Skin". Links: "Learn more →", "See what’s new →". 7 images, 0 Outlook-only blocks, no dark-mode query, web font.

The spread is what matters on this template: 100 in Superhuman against 67 in Outlook Classic, a 33-point gap across the same file. 6 of the 21 clients render it without a single flagged property. Outlook Classic is the one to preview against after any edit, because it is where this template has the least margin, and the 134 warnings behind that score are concentrated there rather than spread evenly.

At 24.4KB compiled it has roughly 78KB of headroom before Gmail clips the message at 102KB and hides the rest behind a "View entire message" link. Inlined CSS and base64 images both count toward that, so watch it as you add sections.

Safe to customise: Section order, imagery and the number of stories. Newsletters are the one format readers scan rather than read, so the running order matters more than the copy inside any single block.

Leave alone: The single-column fallback below the media query. Outlook on Windows ignores the query entirely and renders whatever the table structure says, so a layout that only works inside the breakpoint collapses there.

Modified it? Check your version against the same 21 clients.

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