When should you take collagen?
Preview text: Consistency delivers results
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- Subject
- When should you take collagen?
- Preview text
- Consistency delivers results
- From
- hello@
proto-col.com - Brand
- Proto-col
- ESP
- Klaviyo
- Sent
- Tue Apr 28, 2026, 12:02 PM ET
- Sent to
- United Kingdom (proto-col.co.uk)
- Size
- 75 KB
- Images
- 17
- Links
- 22, 10 of them buttons
- Subject length
- 30 characters
Against Proto-col's usual
Sent in the 12 PM hour, which holds 18% of its emails; 43% arrive in the 5 AM hour. The subject is 30 characters; its average is 38.
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
- Proto-col <[email protected]>
- Subject
- When should you take collagen?
- Date
- Tue, 28 Apr 2026 16:02:08 +0000 (UTC)
- Message-ID domain
- geopod-ismtpd-51
- Return-Path domain
- engage.proto-col.com
- DKIM signature
- d=proto-col.com s=kl2
- List-Unsubscribe
- Present, one-click
Servers it passed through, newest first
- from o1360.shared.klaviyomail.com [198.37.158.186] by our receiving server with ESMTPS
- by recvd-…-8jt7w with SMTP
- from (unnamed) by geopod-ismtpd-51 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
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| Apr 28, 2026 12:02 PM | When should you take collagen? (this email) | |
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| Apr 24, 2026 5:00 AM | Sachets That Fit Your Life. Results That Build Over Time. | |
| Apr 22, 2026 5:00 AM | Earth Day starts with what you choose daily |
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