What's actually in a HeySunday sheet.

Preview text: Ingredient Science — HeySunday 96 So we stopped using the word and started printing the…

HeySundaySaturday, Aug 15, 2026 at 10:03 AM EasternKlaviyo
HeySundayWhat's actually in a HeySunday sheet.
Subject
What's actually in a HeySunday sheet.
Preview text
Ingredient Science — HeySunday 96 So we stopped using the word and started printing the…
From
hello@heysunday.com
Sent
Sat Aug 15, 2026, 10:03 AM ET
Size
23 KB
Images
5
Links
5, 1 of them buttons
Subject length
37 characters

Against HeySunday's usual

Sent in the 10 AM hour, which holds 20% of its emails; 23% arrive in the 9 AM hour. The subject is 37 characters, the same as its average.

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From
HeySunday <[email protected]>
Subject
What's actually in a HeySunday sheet.
Date
Sat, 15 Aug 2026 14:03:14 +0000 (UTC)
Message-ID domain
geopod-ismtpd-13
Return-Path domain
send.heysunday.com
DKIM signature
d=heysunday.com s=kl2
List-Unsubscribe
Present, one-click

Servers it passed through, newest first

  1. by recvd-canary-…-d9tzs with SMTP
  2. from (unnamed) by geopod-ismtpd-13 with HTTP

Other sending headers (names only): X-Kmail-Account, X-Kmail-Message, X-Kmail-Ops, X-Report-Abuse, X-SG-EID, X-SG-ID, X-Entity-ID

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