UNLOCK YOUR MYSTERY DISCOUNT!
Preview text: As a New Member you will receive exclusive discounts.

Use this example
- Subject
- UNLOCK YOUR MYSTERY DISCOUNT!
- Preview text
- As a New Member you will receive exclusive discounts.
- From
- hello@
mysteryknivesbox.com - Brand
- Mystery Knives Box
- ESP
- Klaviyo
- Sent
- Thu Oct 15, 2026, 12:18 AM ET
- Sent to
- knivesmysterybox.com, mysteryknife.com
- Size
- 52 KB
- Images
- 11
- Links
- 16, 10 of them buttons
- Subject length
- 29 characters
Against Mystery Knives Box's usual
Sent in its busiest hour, 12 AM, which holds 10% of its emails. The subject is 29 characters; its average is 22.
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
- Mystery Knives Box <[email protected]>
- Subject
- UNLOCK YOUR MYSTERY DISCOUNT!
- Date
- Thu, 15 Oct 2026 04:18:02 +0000
- Message-ID domain
- klaviyomail.com
- Return-Path domain
- k3.send.mysteryknivesbox.com
- DKIM signature
- d=shared.klaviyomail.com s=def1; d=send.mysteryknivesbox.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-Flow, X-Kmail-Message, X-Kmail-Ops, X-Report-Abuse
Sent just before and after
| Oct 15, 2026 5:46 PM | Don’t buy another knife just yet. | |
| Oct 15, 2026 1:37 PM | ⚠️ A Formal Complaint Has Been Filed | |
| Oct 15, 2026 11:28 AM | We Probably Shouldn't Have Gone This Low... | |
| Oct 15, 2026 12:18 AM | UNLOCK YOUR MYSTERY DISCOUNT! (this email) | |
| Oct 14, 2026 11:37 PM | 🎃 DO YOU DARE OPEN IT? | |
| Oct 14, 2026 3:07 PM | Welcome to Mystery Knives | |
| Oct 14, 2026 12:31 PM | We might’ve gotten a little carried away. |
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Sent the same day by similar brands
Same ESP and the closest weekly volume, sent on Oct 15, 2026.














