The science already works
Preview text: 4,000+ medical facilities. One reason.
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- Subject
- The science already works
- Preview text
- 4,000+ medical facilities. One reason.
- From
- customersuccess@
op2labs.com - ESP
- Klaviyo
- Sent
- Sun Jun 21, 2026, 6:00 PM ET
- Size
- 53 KB
- Images
- 13
- Links
- 15, 9 of them buttons
- Subject length
- 25 characters
Against ProT Gold Collagen Protein's usual
Sent in its busiest hour, 6 PM, which holds 85% of its emails. The subject is 25 characters; its average is 29.
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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
- ProT Gold Collagen Protein <[email protected]>
- Subject
- The science already works
- Date
- Sun, 21 Jun 2026 22:00:13 +0000 (UTC)
- Message-ID domain
- geopod-ismtpd-7
- Return-Path domain
- send.op2labs.com
- DKIM signature
- d=op2labs.com s=kl2
- List-Unsubscribe
- Present, one-click
Servers it passed through, newest first
- from o1307.shared.klaviyomail.com [167.89.100.91] by our receiving server with ESMTPS
- by recvd-…-7m4mc with SMTP
- from (unnamed) by geopod-ismtpd-7 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
| Jul 2, 2026 6:01 PM | Why daily matters | |
| Jun 30, 2026 6:00 PM | A ninety-second morning | |
| Jun 23, 2026 6:00 PM | The collagen problem no one talks about | |
| Jun 21, 2026 6:00 PM | The science already works (this email) | |
| Jun 18, 2026 6:01 PM | More Than Just Skin Deep | |
| Jun 15, 2026 6:01 PM | Do you know the 3 standards | |
| Jun 12, 2026 6:15 AM | Still thinking it over? |
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