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Post SMTP Pro

Post SMTP Pro v3.9.5 + Pro v1.5.3

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Post SMTP Pro Free v3.9.5 + Pro v1.5.3
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Post SMTP Pro v1.5.2
== Changelog ==

= 1.5.1 – Mar 12, 2026 =
* FIX – Post SMTP <= 3.8.0 – Missing authorization for Authenticated (Subscriber+) Office 365 OAuth configuration overwrite.
* FIX – Resolved REST error: {"code":"rest_cookie_invalid_nonce","message":"Cookie check failed","data":{"status":403}}.
Post SMTP Pro v1.4.5
= 1.4.5 - Nov 25, 2025 =
* IMPROVEMENT - Added PHP 8+ compatibility.
* FIX - Added authorization checks related to OAuth token updates for authenticated users.
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