Support » Plugin: WordPress Email Template Designer - WP HTML Mail » Conflict with WP Mail SMTP

  • Resolved mcculloch189

    (@mcculloch189)


    I’ve recently found a conflict between this plugin: WP HTML Mail Version 2.9.2.1 and WP Mail SMTP Version 1.8.1. It seems to stop access to the WP HTML Mail plugin dashboard and also blocks WP Mail SMTP from sending from the site. When trying to access the WP HTML Mail plugin settings there an error message appears in the WP dashboard: The site is experiencing technical difficulties. Please check your site admin email inbox for instructions.

    The same message is received when trying to submit email send tests from the WP SMTP testing tab. I had also noticed problems with saving my Page edits. Upon clicking Update it would redirect to /wp-admin/edit.php

    I’ve had to deactivate the WP HTML Mail plugin so that my site can resume as normal.

    The WordPress version on my site is: 5.2.5

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  • We found some problems with PHP versions below 7.1.3 maybe setting a higher PHP version from your hosting panel solves the issue?
    WordPress recommends PHP 7.3
    best regards, Hannes

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