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WP Mail SMTP by WPForms · Version history

WP Mail SMTP by WPForms changelog and version history

Latest version
4.10.3
Oct 20, 2026 (20 days ago)
Releases
102
since 2007
In the last year
8
about one every 49 days
Tested up to
WordPress 7.1.4
PHP 7.4 or later

Releases each year

  • 20078 releases
  • 20082 releases
  • 20092 releases
  • 20104 releases
  • 20113 releases
  • 20133 releases
  • 20141 release
  • 20162 releases
  • 201710 releases
  • 20189 releases
  • 201910 releases
  • 20209 releases
  • 202110 releases
  • 20227 releases
  • 20235 releases
  • 20246 releases
  • 20255 releases
  • 20266 releases

20266 releases

  1. WP Mail SMTP by WPForms 4.10.3Latest

    • Changed: Improved the Setup Wizard steps.

  2. WP Mail SMTP by WPForms 4.10.2

    • Changed: Setup Wizard now returns to the Dashboard page instead of Settings when it is finished or closed.
    • Changed: Improved translations across the admin area and the emails the plugin sends.
    • Fixed: A “Class not found” fatal error could occur right after updating the plugin on sites with PHP OPcache enabled.

  3. WP Mail SMTP by WPForms 4.10.1

    • Changed: Improved security and privacy across the plugin, including temporary file storage and requests to external services.
    • Fixed: Some Setup Wizard labels and the Lite install date in Site Health could not be translated.
    • Fixed: The Posts, Pages and post editor screens failed with a fatal error on hosts without the PHP intl extension when another plugin, such as All in One SEO, used the intl IDN functions while the Gmail mailer was in use.

  4. WP Mail SMTP by WPForms 4.10.0

    • Added: New Dashboard page, now the default screen for WP Mail SMTP, with email statistics, a setup overview, connection status, and recommended next steps.
    • Added: Setup Checklist: a new page that guides you through connecting a mailer, sending a test email, and the rest of your email setup, with progress tracked automatically.
    • Added: Email Detective: a new tab on the Tools page that sends a test email through your primary connection and emails you a free deliverability report covering authentication, blocklists, and spam filter scoring.
    • Added: Setup Wizard now verifies your mailer settings with your email provider before saving them, and guides you through each mailer’s required settings as numbered steps.
    • Changed: Setup Wizard’s email test now reports the exact sending error with the fix steps for it, names the setting at fault where it can be identified, and shows the domain checker results.
    • Changed: Updated Action Scheduler library to 4.1.0.
    • Fixed: The plugin could not be activated on some sites and failed with a fatal error when its stored activation dates were saved in an unexpected format.
    • Fixed: A database error was logged and the Dashboard widget’s email error alert never appeared on sites whose MySQL server treats double quotes as identifiers (ANSI_QUOTES mode).
    • Fixed: The Setup Wizard’s test email did not send while the “Do Not Send” option was enabled.
    • Fixed: Hardened permission checks and request handling across several admin features to address potential security issues.

  5. WP Mail SMTP by WPForms 4.9.0

    • Added: WP-CLI commands to configure WP Mail SMTP from the command line, including SMTP and API-key mailer setup and individual setting management.
    • Added: Code Snippets tab on the Tools page to browse, preview, and install WP Mail SMTP’s WPCode snippets.
    • Added: Support for the WordPress Abilities API (WordPress 6.9), letting connected tools and AI assistants securely read your debug events.
    • Added: A one-click option to deactivate a conflicting plugin directly from the conflict notice.
    • Added: Confirmation prompt before enabling the “Hide Email Delivery Errors” option, so the setting is not turned on by accident.
    • Changed: Improved error handling and troubleshooting guidance when an email fails to send.
    • Changed: Updated Action Scheduler library to 4.0.0.
    • Fixed: The “Last week” stat in the Lite weekly summary email showed the just-started current week’s count instead of the actual previous week’s total, because the email is sent on Monday at 2pm.
    • Fixed: Hardened permission checks and request handling across several admin features to address potential security issues.

  6. WP Mail SMTP by WPForms 4.8.0

    • Added: SendLayer Quick Connect – allows connecting to SendLayer without DNS setup in 2 minutes.
    • Changed: Improved plugin security.

20255 releases

  1. WP Mail SMTP by WPForms 4.7.1

    • Added: WordPress playground blueprint file. Fixed: Text domain in a couple of strings. Changed: Switched Return-Path option to enabled by default to align with WordPress core.

  2. WP Mail SMTP by WPForms 4.7.0

    • Added: New transactional mailer: Resend integration.
    • Fixed: Recurring task filling up task meta table.

  3. WP Mail SMTP by WPForms 4.6.0

    • Added: New transactional mailer: Mandrill integration.
    • Fixed: References and In-Reply-To email headers are now correctly preserved for API-based mailers.

  4. WP Mail SMTP by WPForms 4.5.0

    • IMPORTANT: Support for PHP 7.2 has been discontinued. If you are running this version, you MUST upgrade PHP before installing or upgrading to WP Mail SMTP v4.5. Failure to do that will disable WP Mail SMTP functionality.
    • Added: New transactional mailer: MailerSend integration.
    • Fixed: Microsoft Outlook basic auth deprecation notice dismissal.
    • Changed: Updated the list of conflicting plugins (added Site Mailer, SureMail, Gravity SMTP).

  5. WP Mail SMTP by WPForms 4.4.0

    • Fixed: Emails queue runner Action Scheduler task deadlock issue.
    • Fixed: Undefined array key “wp_mail_smtp_reports_widget_lite” warning in the dashboard widget.

20246 releases

  1. WP Mail SMTP by WPForms 4.3.0

    • Added: New transactional mailer: Elastic Email integration.
    • Changed: The “Tools -> Scheduled Actions” menu is now always visible when WooCommerce or the Action Scheduler plugin is active.
    • Fixed: SMTP password and username fields ignored WPMS_SMTP_AUTH constant.

  2. WP Mail SMTP by WPForms 4.2.0

    • Added: New transactional mailer: Mailjet integration.
    • Changed: Improved security for sensitive data (API keys).
    • Fixed: SMTP2GO mailer special characters handling in from name.

  3. WP Mail SMTP by WPForms 4.1.1

    • Changed: Delete wp-mail-smtp uploads folder on plugin uninstall, if the “Misc > Uninstall” option is enabled.
    • Changed: Decreased PHPMailer timeout value to 30 seconds from 5 minutes.
    • Changed: Improved Weekly Summary Email sending.
    • Fixed: Missing Reply-To support in SMTP2GO mailer.
    • Fixed: Setup Wizard translations not working correctly.

  4. WP Mail SMTP by WPForms 4.1.0

    • Added: New transactional mailer: SMTP2GO.
    • Changed: Recurring email queue tasks are now removed after completion.
    • Fixed: Wrong namespace in PHP 8.0x Symfony polyfills.
    • Fixed: All pending background tasks are now canceled on plugin deactivation.

  5. WP Mail SMTP by WPForms 4.0.1

    • Added: Optimized Email Sending – move email sending requests in the background process and speed up your site.
    • Added: Automatic database table structure migrations after plugin update.
    • Changed: Improved error handling when sending emails.
    • Fixed: Database error while adding debug events if the wpmailsmtp_debug_events table does not exist.

  6. WP Mail SMTP by WPForms 3.11.1

    • Fixed: Setup Wizard texts.
    • Fixed: Compatibility for List-Unsubscribe header.

20235 releases

  1. WP Mail SMTP by WPForms 3.11.0

    • Added: Filter to customize the capability required for managing the plugin.
    • Changed: Hide test tab movement notice for new users.
    • Changed: Improved keyboard navigation styles for the Setup Wizard.
    • Changed: Removed WPMailSMTP\Admin\PluginsInstallUpgrader class and switched to the WordPress Core Plugin_Upgrader class.
    • Changed: The “From email” dropdown to the input field in the Gmail mailer.
    • Fixed: PHP deprecation notices in the Setup Wizard on WordPress 6.4 and above.
    • Fixed: Compatibility issue with Action Scheduler lower than 3.3.0.

  2. WP Mail SMTP by WPForms 3.10.0

    • Added: Filter that allows to use your website’s URL for Google OAuth redirect URL.
    • Changed: Improve plugin settings UI, by changing checkboxes to toggles and some dividers cleanup.
    • Changed: Replaced moment.js library to the WP Core’s bundled one.
    • Fixed: Translation strings on the Dashboard widget.

  3. WP Mail SMTP by WPForms 3.9.0

    • Changed: Moved the Email Test tab from the settings page to the tools page.
    • Changed: Removed Sendinblue SDK library because it was deprecated.
    • Changed: Mailgun API instructions.
    • Fixed: Debug Event details popup scrolling.
    • Fixed: Conflict with other plugins (Alt Manager) that made the WP Plugins install page unusable.

  4. WP Mail SMTP by WPForms 3.8.2

    • Changed: Improved notifications formatting and styles.
    • Changed: Sendinblue rebranded to Brevo.
    • Fixed: Explicitly set “Content-Type” header for the HTML test email.

  5. WP Mail SMTP by WPForms 3.8.0

    • IMPORTANT: Support for PHP 5.6, 7.0, and 7.1 has been discontinued. If you are running one of those versions, you MUST upgrade PHP before installing or upgrading to WP Mail SMTP v3.8. Failure to do that will disable WP Mail SMTP functionality.
    • Changed: Updated Moment.js library to 2.29.4.
    • Changed: Removed unneeded sodium_compat library.
    • Fixed: Email address with apostrophes in the Email Test page.
    • Fixed: Review request notice display on subsites admin area in WP Multisite installation.
    • Fixed: Setup Wizard playing UA anthem for certain WP sites.

20227 releases

  1. WP Mail SMTP by WPForms 3.7.0

    • Changed: Improved Action Scheduler data cleanup on plugin uninstall.
    • Changed: Improved performance for database table validation checks.
    • Fixed: Tasks meta database table error.
    • Fixed: Gmail mailer authorization error if the oAuth app already had other non mail scopes attached.
    • Fixed: Email address validation in Setup wizard.
    • Fixed: Removed unneeded composer libraries autoload code.
    • Fixed: Conflict detection for plugin Sendinblue – WooCommerce Email Marketing (v3.0+)

  2. WP Mail SMTP by WPForms 3.6.1

    • Added: The wp_mail function call backtrace to the Debug Events if the “Debug Email Sending” option is enabled.
    • Added: Plugin’s DB tables re-creation process in WP Site Health.
    • Added: Debug Events retention period setting.
    • Changed: Updated the list of conflicting plugins (added Zoho Mail).
    • Changed: Improved conflicting plugins’ admin notices (display multiple at once)
    • Changed: Switched to the WP Core function is_email for verifying email addresses.
    • Changed: Improved the detection if wp_mail function is overwritten.
    • Fixed: Gmail mailer not using the correct From Email Address in Domain Checker.
    • Fixed: Setup Wizard steps navigation, when going backwards.

  3. WP Mail SMTP by WPForms 3.5.2

    • Fixed: The check if wp_mail function is overwritten on Windows servers.

  4. WP Mail SMTP by WPForms 3.5.1

  5. WP Mail SMTP by WPForms 3.5.0

  6. WP Mail SMTP by WPForms 3.4.0

  7. WP Mail SMTP by WPForms 3.3.0

202110 releases

  1. WP Mail SMTP by WPForms 3.2.1

  2. WP Mail SMTP by WPForms 3.2.0

  3. WP Mail SMTP by WPForms 3.1.0

  4. WP Mail SMTP by WPForms 3.0.3

  5. WP Mail SMTP by WPForms 3.0.2

  6. WP Mail SMTP by WPForms 3.0.1

  7. WP Mail SMTP by WPForms 2.9.0

  8. WP Mail SMTP by WPForms 2.8.0

  9. WP Mail SMTP by WPForms 2.7.0

  10. WP Mail SMTP by WPForms 2.6.0

20209 releases

  1. WP Mail SMTP by WPForms 2.5.1

  2. WP Mail SMTP by WPForms 2.5.0

  3. WP Mail SMTP by WPForms 2.4.0

  4. WP Mail SMTP by WPForms 2.3.1

  5. WP Mail SMTP by WPForms 2.2.1

  6. WP Mail SMTP by WPForms 2.1.1

  7. WP Mail SMTP by WPForms 2.0.1

  8. WP Mail SMTP by WPForms 2.0.0

  9. WP Mail SMTP by WPForms 1.9.0

201910 releases

  1. WP Mail SMTP by WPForms 1.8.1

  2. WP Mail SMTP by WPForms 1.8.0

  3. WP Mail SMTP by WPForms 1.7.1

  4. WP Mail SMTP by WPForms 1.7.0

  5. WP Mail SMTP by WPForms 1.6.2

  6. WP Mail SMTP by WPForms 1.6.0

  7. WP Mail SMTP by WPForms 1.5.2

  8. WP Mail SMTP by WPForms 1.5.1

  9. WP Mail SMTP by WPForms 1.5.0

  10. WP Mail SMTP by WPForms 1.4.2

20189 releases

  1. WP Mail SMTP by WPForms 1.4.1

  2. WP Mail SMTP by WPForms 1.4.0

  3. WP Mail SMTP by WPForms 1.3.3

  4. WP Mail SMTP by WPForms 1.3.2

  5. WP Mail SMTP by WPForms 1.3.1

  6. WP Mail SMTP by WPForms 1.3.0

  7. WP Mail SMTP by WPForms 1.2.5

  8. WP Mail SMTP by WPForms 1.2.4

  9. WP Mail SMTP by WPForms 1.2.3

201710 releases

  1. WP Mail SMTP by WPForms 1.2.2

  2. WP Mail SMTP by WPForms 1.2.1

  3. WP Mail SMTP by WPForms 1.2.0

  4. WP Mail SMTP by WPForms 1.1.0

  5. WP Mail SMTP by WPForms 1.0.2

  6. WP Mail SMTP by WPForms 1.0.1

  7. WP Mail SMTP by WPForms 1.0.0

  8. WP Mail SMTP by WPForms 0.11.2

  9. WP Mail SMTP by WPForms 0.11.1

  10. WP Mail SMTP by WPForms 0.10.1

20162 releases

  1. WP Mail SMTP by WPForms 0.10.0

  2. WP Mail SMTP by WPForms 0.9.6

20141 release

  1. WP Mail SMTP by WPForms 0.9.5

20133 releases

  1. WP Mail SMTP by WPForms 0.9.4

  2. WP Mail SMTP by WPForms 0.9.3

  3. WP Mail SMTP by WPForms 0.9.2

20113 releases

  1. WP Mail SMTP by WPForms 0.9.1

  2. WP Mail SMTP by WPForms 0.9.0

  3. WP Mail SMTP by WPForms 0.8.7

20104 releases

  1. WP Mail SMTP by WPForms 0.8.6

  2. WP Mail SMTP by WPForms 0.8.5

  3. WP Mail SMTP by WPForms 0.8.4

  4. WP Mail SMTP by WPForms 0.8.3

20092 releases

  1. WP Mail SMTP by WPForms 0.8.2

  2. WP Mail SMTP by WPForms 0.8

20082 releases

  1. WP Mail SMTP by WPForms 0.7

  2. WP Mail SMTP by WPForms 0.6

20078 releases

  1. WP Mail SMTP by WPForms 0.5.2

  2. WP Mail SMTP by WPForms 0.5.1

  3. WP Mail SMTP by WPForms 0.5.0

  4. WP Mail SMTP by WPForms 0.4.2

  5. WP Mail SMTP by WPForms 0.4.1

  6. WP Mail SMTP by WPForms 0.4

  7. WP Mail SMTP by WPForms 0.3.2

  8. WP Mail SMTP by WPForms 0.3.1

Questions about WP Mail SMTP by WPForms’s releases

What is the latest version of WP Mail SMTP by WPForms?

4.10.3, released on Oct 20, 2026 (2 weeks ago). It’s tested up to WordPress 7.1.4 and needs PHP 7.4 or later.

How often is WP Mail SMTP by WPForms updated?

8 releases in the last year, about one every 49 days. Its first release on WordPress.org dates from September 2007.

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Release dates come from the day each version’s folder was made in WP Mail SMTP by WPForms’s WordPress.org SVN repository; the notes from its readme’s changelog, as its authors wrote it.