LETHAL 6 // The new fitness test
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- Subject
- LETHAL 6 // The new fitness test
- Preview text
- Download yours for free now.
- From
- support@
hardtokillfitness.co - Brand
- Hard To Kill Fitness
- ESP
- Klaviyo
- Sent
- Fri Oct 30, 2026, 7:01 AM ET
- Size
- 50 KB
- Images
- 5
- Links
- 9, 1 of them buttons
- Subject length
- 32 characters
Against Hard To Kill Fitness's usual
Sent in the 7 AM hour, which holds 3% of its emails; 34% arrive in the 10 AM hour. The subject is 32 characters; its average is 28.
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
- Hard To Kill Fitness <[email protected]>
- Subject
- LETHAL 6 // The new fitness test
- Date
- Fri, 30 Oct 2026 11:01:15 +0000 (UTC)
- Message-ID domain
- geopod-ismtpd-38
- Return-Path domain
- send.hardtokillfitness.co
- DKIM signature
- d=hardtokillfitness.co s=kl2
- List-Unsubscribe
- Present, one-click
Servers it passed through, newest first
- by recvd-…-m9tv7 with SMTP
- from (unnamed) by geopod-ismtpd-38 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
Sent just before and after
| Nov 11, 2026 7:01 AM | Remember our Heroes | |
| Nov 9, 2026 1:02 PM | Short on time? Try these quick burners 🔥 | |
| Nov 4, 2026 10:01 AM | Build Your Own Operator Gym! 💪 | |
| Oct 30, 2026 7:01 AM | LETHAL 6 // The new fitness test (this email) | |
| Oct 23, 2026 10:01 AM | Live Now: Exercise Swap 🔀 | |
| Oct 22, 2026 1:16 PM | Your discount expires tomorrow... | |
| Oct 21, 2026 1:15 PM | Ready to become Hard To Kill? |
More from Hard To Kill Fitness
All Hard To Kill Fitness emailsNov 11, 2026 7:01 AM
Short on time? Try these quick burners 🔥
Nov 9, 2026 1:02 PM
Build Your Own Operator Gym! 💪
Nov 4, 2026 10:01 AM
Oct 23, 2026 10:01 AM
Your discount expires tomorrow...
Oct 22, 2026 1:16 PM
Oct 21, 2026 1:15 PM
Five ways to drop your run time (most guys do zero)
Oct 20, 2026 10:04 AM
3 quick high impact workouts 🔥
Oct 12, 2026 10:06 AM
Sent the same day by similar brands
Same ESP and the closest weekly volume, sent on Oct 30, 2026.








