They Sent It

Stop Optimizing. Start Suffering.

Hard To Kill FitnessFriday, Aug 28, 2026 at 10:05 AM EasternKlaviyo
Hard To Kill FitnessStop Optimizing. Start Suffering.
Subject
Stop Optimizing. Start Suffering.
From
support@hardtokillfitness.co
Sent
Fri Aug 28, 2026, 10:05 AM ET
Size
15 KB
Images
2
Links
3
Subject length
33 characters

Against Hard To Kill Fitness's usual

Sent in its busiest hour, 10 AM, which holds 35% of its emails. The subject is 33 characters; its average is 28.

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

From
Hard To Kill Fitness <[email protected]>
Subject
Stop Optimizing. Start Suffering.
Date
Fri, 28 Aug 2026 14:05:09 +0000 (UTC)
Message-ID domain
geopod-ismtpd-18
Return-Path domain
send.hardtokillfitness.co
DKIM signature
d=hardtokillfitness.co s=kl2
List-Unsubscribe
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Servers it passed through, newest first

  1. by recvd-…-x88px with SMTP
  2. from (unnamed) by geopod-ismtpd-18 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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Aug 28, 2026 10:05 AMStop Optimizing. Start Suffering. (this email)
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