Email delivery, authentication, lifecycle automation, segmentation and messaging platforms.
Showing 1–9 of 9 dossiers
Buttondown’s 'Great Pruning' is a small-SaaS operations story about deleting architecture rather than adding it. The company removed duplicated or over-retained request and email-event data after changing how those workloads were processed.
The new program creates a specialized Gmail deliverability path for verified political senders, but it is not an inbox guarantee: recipients can still mark mail as spam, block senders or unsubscribe, and non-compliant domains can be suspended or removed.
The new request-level controls make email measurement a per-send decision: an application can keep one SES configuration set while disabling open or click tracking for recipients who should not be measured. The override wins over the configuration-set default and adds no separate feature charge.
Postmark’s new IP Allowlisting creates an extra sending boundary around API credentials: trusted infrastructure can send normally, while requests from outside configured ranges fail even if the token itself is valid. SMTP is not covered.
Email operations can now query Resend’s deliverability and engagement data directly through `/emails/metrics`. The API makes bounce and complaint thresholds, domain-level trends and campaign reporting usable by internal dashboards, scheduled checks and agents.
The change turns webhook reliability from a mostly passive retry problem into an inspectable operational surface: configuration tests, event-specific failure state, owner alerts and health endpoints give email systems earlier warning when downstream integrations are broken.
Apple has narrowed an earlier plan to unify Sign in with Apple and iCloud+ Hide My Email domains: only new Sign in with Apple relay addresses are moving to `private.icloud.com`, while Hide My Email stays on `icloud.com`. Existing relay addresses continue working, making this a compatibility migration rather than an address replacement.
From January 2027, Gmail will no longer send mail as non-Google addresses or fetch third-party accounts through Gmailify/POP on the web. Forwarding into Gmail and third-party accounts in the mobile app remain available, so small-business and custom-domain users need to distinguish the affected desktop workflow from Gmail’s broader mail protocols.
Email open tracking is becoming a consent-controlled data source rather than a default analytics primitive. Klaviyo’s new controls can remove opens from reporting, attribution, segments and flow triggers for recipients who should not be tracked.
Email remains a direct distribution channel, but delivery depends on mailbox requirements, authentication, unsubscribe rules, sender reputation and the capabilities of lifecycle platforms. Changes from Gmail, Yahoo, Outlook, Klaviyo, Mailchimp, Kit, Customer.io, Braze, HubSpot, Postmark, Resend, SendGrid and related providers can create real implementation and migration work.
BTN follows concrete requirements, restrictions, pricing moves, API changes, automation capabilities and segmentation or data-ownership developments. Primary mailbox and vendor documentation comes first, with deliverability specialists and measurable operator evidence used to interpret impact. Ordinary email copy advice and one company reporting a campaign result are not news events. The useful dossier explains the rule or platform change, who must act, what breaks or becomes possible, and how confidently the consequence can be measured.