Quick quiz: how old is your heart, really?
Preview text: Take a guess, then see the answer.

Using this email in an article? Credit: Simple Promise email via They Sent It, with a link to this page. Full-size image
- Subject
- Quick quiz: how old is your heart, really?
- Preview text
- Take a guess, then see the answer.
- From
- hello@
mysimplepromise.com - Brand
- Simple Promise
- ESP
- Klaviyo
- Sent
- Sat Oct 10, 2026, 8:55 AM ET
- Sent to
- tracking.getheartaide-at.com, tracking.getvivaslim.org, tracking.proxental-at.com, tracking.venoplus8-at.com, venoplus8.com
- Size
- 43 KB
- Images
- 4
- Links
- 12, 2 of them buttons
- Subject length
- 42 characters
Against Simple Promise's usual
Sent in its busiest hour, 8 AM, which holds 62% of its emails. The subject is 42 characters; its average is 43.
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
- Simple Promise <[email protected]>
- Subject
- Quick quiz: how old is your heart, really?
- Date
- Sat, 10 Oct 2026 12:55:03 +0000
- Message-ID domain
- klaviyomail.com
- Return-Path domain
- k3.send.mysimplepromise.com
- DKIM signature
- d=shared.klaviyomail.com s=def1; d=send.mysimplepromise.com s=mtd1
- List-Unsubscribe
- Present, one-click
Servers it passed through, newest first
- from (unnamed) by kmta-mta-blue-….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-Message, X-Kmail-Ops, X-Report-Abuse
Sent just before and after
| Oct 12, 2026 11:20 AM | You looked at VivaSlim™, here's what's actually inside 🍃 | |
| Oct 11, 2026 11:18 AM | Were you checking this out? | |
| Oct 11, 2026 9:49 AM | Welcome. Here's your exclusive code ✨ | |
| Oct 10, 2026 8:55 AM | Quick quiz: how old is your heart, really? (this email) | |
| Oct 8, 2026 8:55 AM | 3 reads that connect your heart to your immune system | |
| Oct 6, 2026 8:55 AM | Two heart-support routines. Which one fits you? | |
| Oct 3, 2026 8:55 AM | What happens when your last scoop is gone? |
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