Changelog

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May 2, 2026
NEW Inbound parsing API

Reply-to addresses now produce typed events. Subject, from, attachments, threading metadata — all signed.

Apr 24, 2026
IMPROVED Sub-second sends across MS 365

Median latency on Microsoft 365 dropped from 412ms to 276ms after a routing rework.

Apr 11, 2026
NEW SAML SSO

Workspace admins on Business+ can now require SSO. Okta, Azure AD, Google Workspace tested.

Apr 3, 2026
FIX Exchange token refresh

Resolved an edge case where on-prem Exchange tokens expired silently overnight.

Mar 28, 2026
NEW Region pinning

Pin sends to one of 14 regions for data residency. Configurable per mailbox or per send.

Mar 19, 2026
IMPROVED Webhooks v2

New signing scheme (HMAC-SHA256 over canonical JSON), replay window, 3× delivery retries.