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PostStack for WordPress

Official WordPress plugin for the PostStack Email API — drop-in wp_mail() replacement.

by MICCI · github.com/getpoststack/wordpress-plugin · website

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Install

No release zip yet. The repository archive installs, but the folder name will carry the branch suffix and updates will not flow:

wp plugin install https://github.com/getpoststack/wordpress-plugin/archive/refs/heads/main.zip
Readme github.com/getpoststack/wordpress-plugin ↗

Replace the default WordPress mailer with the PostStack Email API for reliable transactional delivery, open/click tracking, and detailed deliverability analytics.

Description

PostStack for WordPress hooks into wp_mail() and forwards every outgoing message through the PostStack Email API — an EU-hosted, GDPR-compliant email service up to 75% cheaper than Resend, SendGrid, and Postmark. PHPMailer is bypassed entirely, so misconfigured SMTP settings can never silently swallow mail.

Features:

  • Drop-in replacement — works with WooCommerce, contact forms, password resets, and any plugin that calls wp_mail().
  • Configure once via Settings → PostStack — paste your API key and default From address.
  • Per-message From overrides via the standard From: header.
  • Real-time open/click tracking and deliverability analytics in the PostStack dashboard.
  • EU data residency — your email data never leaves the European Union.

Get started and grab an API key at https://poststack.dev. Full documentation lives at https://poststack.dev/docs. Free tier includes 3,000 emails/month with no credit card required.

Useful links:

Installation

  1. Upload the poststack folder to /wp-content/plugins/.
  2. Activate the plugin through the Plugins menu in WordPress.
  3. Go to Settings → PostStack and paste your API key from https://poststack.dev/dashboard/settings/api-keys.

Changelog

0.1.0

  • Initial release.