Why bright light boxes aren’t the answer

Preview text: Not another task

Sunday Light

Sunday, Sep 13, 2026 at 7:07 AM EasternKlaviyo

Sunday LightWhy bright light boxes aren’t the answer

Fit to screenFull size

Why bright light boxes aren’t the answer - email from Sunday Light

Using this email in an article? Credit: Sunday Light email via They Sent It, with a link to this page. Full-size image

Subject: Why bright light boxes aren’t the answer
Preview text: Not another task
From: enquiries@sundaylight.cc
Brand: Sunday Light
ESP: Klaviyo
Sent: Sun Sep 13, 2026, 7:07 AM ET
Size: 46 KB
Images: 18
Links: 19, 5 of them buttons
Subject length: 40 characters

Against Sunday Light's usual

Sent in its busiest hour, 7 AM, which holds 48% of its emails. The subject is 40 characters; its average is 29.

Email headers

What the brand's servers put on this email. Our receiving servers, the address we subscribed with and unsubscribe links are left out.

From: Sunday Light <[email protected]>
Subject: Why bright light boxes aren’t the answer
Date: Sun, 13 Sep 2026 11:07:34 +0000
Message-ID domain: klaviyomail.com
Return-Path domain: k3.send.sundaylight.cc
DKIM signature: d=shared.klaviyomail.com s=def1; d=send.sundaylight.cc s=mtd1
List-Unsubscribe: Present, one-click

Servers it passed through, newest first

from (unnamed) by kmta-mta-green-….servers.clovesoftware.com with SMTP

Other sending headers (names only): X-Mailer-Info-Extra2, X-Mailer-Info, X-Mailer-Info-Extra, X-Kmail-Account, X-Kmail-Flow, X-Kmail-Message, X-Kmail-Ops, X-Report-Abuse

Report this email

Sent just before and after

	Sep 25, 2026 1:01 PM	As featured in Air Mail
	Sep 21, 2026 7:10 AM	More than a light
	Sep 17, 2026 7:10 AM	Is Sunday right for your space?
	Sep 13, 2026 7:07 AM	Why bright light boxes aren’t the answer (this email)
	Sep 9, 2026 7:05 AM	Land already adjusted
	Sep 5, 2026 7:05 AM	You already know you need morning light
	Sep 4, 2026 1:00 PM	Back in the office with Sunday Light