This week in software resilience
Preview text: This week in software resilience Software resilience This week in software resilience Hi…

- Subject
- This week in software resilience
- Preview text
- This week in software resilience Software resilience This week in software resilience Hi…
- From
- contact@
codekeeper.co - Brand
- Codekeeper
- ESP
- HubSpot
- Sent
- Thu Oct 22, 2026, 4:00 AM ET
- Sent to
- Colombia (codekeeper.co)
- Size
- 51 KB
- Images
- 9
- Links
- 16, 3 of them buttons
- Subject length
- 32 characters
Against Codekeeper's usual
Sent in the 4 AM hour, which holds 20% of its emails; 28% arrive in the 3 AM hour. The subject is 32 characters; its average is 41.
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
- Codekeeper <[email protected]>
- Reply-To
- [email protected]
- Subject
- This week in software resilience
- Date
- Thu, 22 Oct 2026 10:00:46 +0200
- Message-ID domain
- bf01x.hubspotemail.net
- Return-Path domain
- bf01x.hubspotemail.net
- DKIM signature
- d=bf01x.hubspotemail.net s=hs1; d=codekeeper.co s=hs2
- Authentication
- dkim=pass (bf01x.hubspotemail.net), dkim=pass (codekeeper.co), spf=pass (bf01x.hubspotemail.net), dmarc=pass (codekeeper.co)
- List-Unsubscribe
- Present, one-click
- Feedback-ID sender
- HubSpot
Servers it passed through, newest first
- from bid46k6.bf01x.hubspotemail.net [158.247.18.8] by our receiving server with ESMTPS
Other sending headers (names only): X-HS-Cid, X-Report-Abuse-To
Sent just before and after
| Oct 29, 2026 5:00 AM | This week in software resilience | |
| Oct 28, 2026 9:59 AM | The Software Resilience Brief | What's threatening your software right now? | |
| Oct 22, 2026 4:00 AM | This week in software resilience | |
| Oct 22, 2026 4:00 AM | This week in software resilience (this email) | |
| Oct 12, 2026 10:36 AM | Codekeeper Case Study: Jaguar Land Rover | |
| Oct 12, 2026 10:36 AM | Let's talk software resilience | |
| Oct 10, 2026 5:16 PM | Codekeeper Case Study: Jaguar Land Rover |
More from Codekeeper
All Codekeeper emailsThe Software Resilience Brief | What's threatening your software right now?
Oct 28, 2026 9:59 AM
This week in software resilience
Oct 22, 2026 4:00 AM
Codekeeper Case Study: Jaguar Land Rover
Oct 12, 2026 10:36 AM
Let's talk software resilience
Oct 12, 2026 10:36 AM
Codekeeper Case Study: Jaguar Land Rover
Oct 10, 2026 5:16 PM
Let's talk software resilience
Oct 10, 2026 5:16 PM
This week in software resilience
Oct 8, 2026 4:05 AM
The Software Resilience Brief | What's threatening your software right now?
Sep 30, 2026 11:04 AM
Sent the same day by similar brands
Same ESP and the closest weekly volume, sent on Oct 22, 2026.












