Start with the right collagen for you

Preview text: Build your routine

Proto-colFriday, Apr 10, 2026 at 5:00 AM EasternKlaviyo
Proto-colStart with the right collagen for you
Subject
Start with the right collagen for you
Preview text
Build your routine
From
hello@proto-col.com
Sent
Fri Apr 10, 2026, 5:00 AM ET
Sent to
United Kingdom (proto-col.co.uk)
Size
74 KB
Images
17
Links
25, 9 of them buttons
Subject length
37 characters

Against Proto-col's usual

Sent in its busiest hour, 5 AM, which holds 43% of its emails. The subject is 37 characters; its average is 38.

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From
Proto-col <[email protected]>
Subject
Start with the right collagen for you
Date
Fri, 10 Apr 2026 09:00:31 +0000 (UTC)
Message-ID domain
geopod-ismtpd-55
Return-Path domain
engage.proto-col.com
DKIM signature
d=proto-col.com s=kl2
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  1. from o1281.shared.klaviyomail.com [167.89.72.23] by our receiving server with ESMTPS
  2. by recvd-…-pkzsq with SMTP
  3. from (unnamed) by geopod-ismtpd-55 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

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