Welcome to Proto-Col! 💜
Preview text: Your unique £10 code is waiting for you...
Using this email in an article? Credit: Proto-col email via They Sent It, with a link to this page. Full-size image
- Subject
- Welcome to Proto-Col! 💜
- Preview text
- Your unique £10 code is waiting for you...
- From
- hello@
proto-col.com - Brand
- Proto-col
- ESP
- Klaviyo
- Sent
- Thu Oct 22, 2026, 6:47 AM ET
- Sent to
- United Kingdom (proto-col.co.uk)
- Size
- 79 KB
- Images
- 20
- Links
- 28, 13 of them buttons
- Subject length
- 24 characters
Against Proto-col's usual
Sent in the 6 AM hour, which holds 6% of its emails; 43% arrive in the 5 AM hour. The subject is 24 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
- Welcome to Proto-Col! 💜
- Date
- Thu, 22 Oct 2026 10:47:05 +0000 (UTC)
- Message-ID domain
- geopod-ismtpd-87
- 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
- by recvd-canary-…-wzf8r with SMTP
- from (unnamed) by geopod-ismtpd-87 with HTTP
Other sending headers (names only): X-Kmail-Account, X-Kmail-Flow, X-Kmail-Message, X-Kmail-Ops, X-Report-Abuse, X-SG-EID, X-SG-ID, X-Entity-ID
Sent just before and after
| Oct 25, 2026 10:09 PM | Your saved products are about to expire! | |
| Oct 25, 2026 12:09 AM | We've saved these for you! | |
| Oct 24, 2026 7:03 PM | Discover how we're making a difference... | |
| Oct 22, 2026 6:47 AM | Welcome to Proto-Col! 💜 (this email) | |
| Oct 21, 2026 10:25 AM | Tous les conseils, astuces et le savoir de Proto-Col | |
| Oct 20, 2026 10:24 AM | Le Secret Beauté : Le Collagène Beauté de Proto-col | |
| Oct 20, 2026 5:30 AM | Support your immunity from the inside out. |
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Your discount is about to expire!
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Your saved products are about to expire!
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Oct 25, 2026 12:09 AM
Discover how we're making a difference...
Oct 24, 2026 7:03 PM
Tous les conseils, astuces et le savoir de Proto-Col
Oct 21, 2026 10:25 AM
Sent the same day by similar brands
Same ESP and the closest weekly volume, sent on Oct 22, 2026.
