💬 New thread from Tami from Buffer
The Weekly Scroll subscriber chat
Tami from Buffer <[email protected]>
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Substack promotes a new thread from Tami from Buffer, inviting readers to join the chat for The Weekly Scroll. The thread announces the ability to schedule Substack Notes in Buffer. Substack encourages readers to share this update with friends.
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Substack
See it in the headers
Across Substack's email
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- About 2 a week
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Enforced, reject
Mail failing authentication is refused.
The copy
49 words · under a minute to read · 1 button
Tami from Buffer just started a thread
Join the chat for The Weekly Scroll now in the Substack app or web reader.
From Tami from Buffer’s subscriber chat
Tami from Buffer Tell a friend to tell a friend: You can now schedule Substack Notes in Buffer ✨
Button Join chat
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
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v566.v5375b7fa.use4.send.mailgun.net
· 159.112.244.66
Substack's sending servers
- SPF
- Pass for mg1.substack.com
- DKIM
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- Pass signed by mg1.substack.com
- DMARC
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Pass for substack.com
Policy: reject
- Unsubscribe
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Link only
Gmail and Yahoo ask bulk senders for one-click unsubscribe.
- Complaints
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Feedback loop set up
Mailbox providers can report spam complaints straight back to the sender.
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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 v566.v5375b7fa.use4.send.mailgun.net (159.112.244.66) by [receiver] (cloudflare) id jKpNwIALCKIg for <[recipient]>; Thu, 24 Sep 2026 20:01:15 +0000
- Received
- by c0a28ee34def2d930c2ac335caeebf09552ea292413cf18cca892305263b21d2 with HTTP id 6ab581a3173d72d3b42ffc53; Thu, 24 Sep 2026 20:01:39 GMT
Authentication
- Received-SPF Authentication result
- pass ([receiver]: domain of [recipient]@mg1.substack.com designates 159.112.244.66 as permitted sender) receiver=[receiver]; client-ip=159.112.244.66; envelope-from="[recipient]@mg1.substack.com"; helo=v566.v5375b7fa.use4.send.mailgun.net;
- Authentication-Results Authentication result
- [receiver]; dkim=pass header.d=mg1.substack.com header.s=mailo header.b=WZvedNDB; dmarc=pass header.from=substack.com policy.dmarc=reject; spf=none ([receiver]: no SPF records found for [email protected]) smtp.helo=v566.v5375b7fa.use4.send.mailgun.net; spf=pass ([receiver]: domain of [recipient]@mg1.substack.com designates 159.112.244.66 as permitted sender) smtp.mailfrom=[recipient]@mg1.substack.com; arc=none smtp.remote-ip=159.112.244.66
Platform
- X-Mailgun-Sid
- WyJhNDNjNiIsImJ1ZmZlckBpbmJveGFyY2hpdmUub3JnIiwiMDcyYzdiIl0=
- X-Mailgun-Sending-Ip
- 159.112.244.66
- X-Mailgun-Batch-Id
- 6ab581a3173d72d3b42ffc53
- X-Mailgun-Tag
- chat-thread
- X-Mailgun-Track
- false
- X-Mailgun-Track-Opens
- false
- X-Mailgun-Track-Clicks
- false
- X-Mailgun-Variables
- {"category": "chat-thread", "email_generated_at": "1790280099021", "open_tracking_suppressed": "1", "pub_community_enabled": "true", "publication_id": "7237049", "subdomain": "theweeklyscrollbybuffer", "user_id": "549683137"}
Unsubscribe and feedback
- Feedback-Id
- no-post:cat-chat-thread:pub-7237049:substack
- List-Owner
- <mailto:…@substack.com>
- List-Url
- <https://theweeklyscrollbybuffer.substack.com/…>
- List-Unsubscribe
- <https://theweeklyscrollbybuffer.substack.com/…>
- List-Id
- <theweeklyscrollbybuffer.substack.com>
Message
- Mime-Version
- 1.0
- Subject
- 💬 New thread from Tami from Buffer
- From
- Tami from Buffer <[email protected]>
- Message-Id Identifies Substack
- <[email protected]>
- Date
- Thu, 24 Sep 2026 20:01:39 +0000
- Sender
- Tami from Buffer <[email protected]>
- Reply-To
- Substack <[email protected]>
- Content-Type
- text/html; charset="utf-8"
- Content-Transfer-Encoding
- quoted-printable
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