Confirm your subscription to 37signals
Please confirm your subscription. Before we send you any email, we need you to confirm your subscription. CONFIRM SUBSCRIPTION If you didn’t subscribe to this list, ignore this email. We won’t subscri
37signals <[email protected]>
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The company requests confirmation of subscription to 37signals. They require subscribers to confirm before sending any emails. The subscriber must tap or click to complete the confirmation process.
What the raw message shows
Across 37signals's email
- DMARC
-
Enforced, quarantine
Mail failing authentication goes to spam.
The copy
41 words · under a minute to read · 1 button
Please confirm your subscription.
Before we send you any email, we need you to confirm your subscription.
Button CONFIRM SUBSCRIPTION
If you didn’t subscribe to this list, ignore this email. We won’t subscribe you unless you tap or click the button above.
The words as text: what a screen reader can follow, and all there is when images don't load.
What the headers say
Read from the message's own headers, as it arrived.
- Came from
- out1-5.campaigns.f69e.squarespace-mail.com · 142.0.181.5
- SPF
- Pass for event.f69e.squarespace-mail.com
- DKIM
-
- Pass signed by mailers.basecamp.com
- Pass signed by f69e.squarespace-mail.com
- DMARC
-
Pass for mailers.basecamp.com
Policy: quarantine
- Unsubscribe
-
Missing
No List-Unsubscribe header, which Gmail and Yahoo require of bulk senders.
- Complaints
- No feedback-loop header
Show all 13 headers Hide the headers
As received, minus the delivery side: the archive's own addresses show as [recipient], its mail servers as [receiver], signatures are left out and unsubscribe links trimmed to their host.
Route
- Received
- from out1-5.campaigns.f69e.squarespace-mail.com (142.0.181.5) by [receiver] (cloudflare) id GwT5BWZFmEFn for <[recipient]>; Wed, 15 Jul 2026 02:15:40 +0000
- Received
- from ::ffff:34.174.163.33 by injection-api-6f77c58d6f-5n7w7 via HTTP; Wed, 15 Jul 2026 02:15:39 UTC
Authentication
- Received-SPF Authentication result
- pass ([receiver]: domain of 6524.82.3d7d100000ebfb7.3b86c8a0d5a07bf4685827c8ea9322f2@event.f69e.squarespace-mail.com designates 142.0.181.5 as permitted sender) receiver=[receiver]; client-ip=142.0.181.5; envelope-from="6524.82.3d7d100000ebfb7.3b86c8a0d5a07bf4685827c8ea9322f2@event.f69e.squarespace-mail.com"; helo=out1-5.campaigns.f69e.squarespace-mail.com;
- Authentication-Results Authentication result
- [receiver]; dkim=pass [email protected] header.s=squarespace header.b=vqj1IuHG; dkim=pass [email protected] header.s=squarespace header.b=7M7HDvxd; dmarc=pass header.from=mailers.basecamp.com policy.dmarc=quarantine; spf=pass ([receiver]: domain of [email protected] designates 142.0.181.5 as permitted sender) smtp.helo=out1-5.campaigns.f69e.squarespace-mail.com; spf=pass ([receiver]: domain of 6524.82.3d7d100000ebfb7.3b86c8a0d5a07bf4685827c8ea9322f2@event.f69e.squarespace-mail.com designates 142.0.181.5 as permitted sender) smtp.mailfrom=6524.82.3d7d100000ebfb7.3b86c8a0d5a07bf4685827c8ea9322f2@event.f69e.squarespace-mail.com; arc=none smtp.remote-ip=142.0.181.5
Platform
- x-xsMetaServerId
- 25892
- X-Thread-Info
- NjUyNC4xZS4zZDdkMTAwMDAwZWJmYjcuNmE1NmVkMzgwZWZiNzMyM2NhYTFjMGU0LS02MTFkNTcwYTQxNGQ4NDVjMmM1ZjI2YTYudCtvcHQtaW4uMzdzaWduYWxzPWluYm94YXJjaGl2ZS5vcmc=
- X-Website-Id
- 611d570a414d845c2c5f26a6
Message
- From
- "37signals" <[email protected]>
- Message-ID
- <[email protected]>
- Date
- Wed, 15 Jul 2026 02:15:39 +0000
- Subject
- Confirm your subscription to 37signals
- MIME-Version
- 1.0
- Content-Type
- multipart/alternative; boundary="----CE734B42D8B04CC4B66404E5EADD46AA"
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