Live video with Tami from Buffer now: Live with Tami from Buffer
Tami from Buffer is live on Substack now: "Live with Tami from Buffer"
Substack presents a live video with Tami from Buffer. The live session is currently underway and available to watch. Tami discusses various topics in the live video.
Email headers
sender, ESP fingerprints, unsubscribe and auth headers
As received, minus the delivery side: the archive's own addresses appear as [recipient], relay hops and signatures are left out, and unsubscribe links are trimmed to their host.
- Received-SPF
- 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
- [receiver]; dkim=pass header.d=mg1.substack.com header.s=mailo header.b=hoUgYOtg; 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
- X-Mailgun-Sid
- WyJhNDNjNiIsImJ1ZmZlckBpbmJveGFyY2hpdmUub3JnIiwiMDcyYzdiIl0=
- X-Mailgun-Sending-Ip
- 159.112.244.66
- X-Mailgun-Batch-Id
- 6aa93733d0bbd188967e192f
- Sender
- [email protected]
- Mime-Version
- 1.0
- Subject
- Live video with Tami from Buffer now: Live with Tami from Buffer
- From
- Substack <[email protected]>
- X-Mailgun-Tag
- live-stream-started
- X-Mailgun-Track-Clicks
- false
- Message-Id
- <[email protected]>
- Date
- Tue, 15 Sep 2026 12:16:51 +0000
- Feedback-Id
- no-post:cat-live-stream-started:pub-0:substack
- Reply-To
- Substack <[email protected]>
- List-Owner
- <mailto:…@substack.com>
- List-Url
- <https://substack.com/…>
- List-Unsubscribe
- <https://substack.com/…>
- List-Id
- <www.substack.com>
- List-Unsubscribe-Post
- List-Unsubscribe=One-Click
- X-Mailgun-Variables
- {"category": "live-stream-started", "email_generated_at": "1789474611172", "open_tracking_suppressed": "", "override_tracking_publication_id": "7237049", "subdomain": "www", "user_id": "549683137"}
- Content-Type
- text/html; charset="utf-8"
- Content-Transfer-Encoding
- quoted-printable
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