Damned if you do, damned if you don’t.

Preview text: The open window paradox

Manta SleepFriday, May 29, 2026 at 6:45 PM EasternKlaviyo
Manta SleepDamned if you do, damned if you don’t.
Subject
Damned if you do, damned if you don’t.
Preview text
The open window paradox
From
support@mantasleep.com
Sent
Fri May 29, 2026, 6:45 PM ET
Sent to
mantasleep.com
Size
39 KB
Images
12
Links
13, 5 of them buttons
Subject length
39 characters

Against Manta Sleep's usual

Sent in the 6 PM hour, which holds 6% of its emails; 18% arrive in the 10 AM hour. The subject is 39 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
Manta Sleep <[email protected]>
Subject
Damned if you do, damned if you don’t.
Date
Fri, 29 May 2026 22:45:07 +0000 (UTC)
Message-ID domain
geopod-ismtpd-62
Return-Path domain
klaviyo.mantasleep.com
DKIM signature
d=mantasleep.com s=kl2
List-Unsubscribe
Present, one-click

Servers it passed through, newest first

  1. from o1404.shared.klaviyomail.com [149.72.80.224] by our receiving server with ESMTPS
  2. by recvd-…-f95jz with SMTP
  3. from (unnamed) by geopod-ismtpd-62 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

Report this email

Sent just before and after

Jun 15, 2026 6:30 PMVIP deal #1 drops Friday
Jun 12, 2026 11:00 AMYour invite to the VIP club
Jun 2, 2026 7:02 PMThe storm before the calm
May 29, 2026 6:45 PMDamned if you do, damned if you don’t. (this email)
May 20, 2026 7:00 PMThe mask is just the beginning
May 11, 2026 6:30 PMNot all restless nights are created equal.
May 10, 2026 11:03 AMWTF is DLMO?

More from Manta Sleep

All Manta Sleep emails

Sent the same day by similar brands

Same ESP and the closest weekly volume, sent on May 29, 2026.

Get the Black Friday insights

We're collecting every Black Friday email from more than 50,000 brands as it lands. Get what we find: who starts first, the biggest discounts, and the subject lines that stand out.

Free. Unsubscribe anytime.