epiron

I installed it manually on the IIS web server

DIRECTORY_SEPARATOR: \

ABSPATH: C:\root-of-wordpress/

WPINC: wp-includes

The complete message is:

WP Mail SMTP has detected incorrect “wp_mail” function location. Usually, this means that emails will not be sent successfully!

Current function path: xxxxx\wp-includes\pluggable.php:182

There is no name for a plugin. I hosted WordPress on Windows. Also, I have to mention the email is working fine.

I have the latest version.
I found the issue and it’s because of a lack of folder permission. The upper root folder of a website that contains WordPress should have “List folder contents” permission. Otherwise, it can’t load assets correctly.

• This reply was modified 2 years, 9 months ago by epiron.

It seems to happen every 5 minutes.

I use 7.4.29 which has curl 7.70.0. I’ll try PHP 8 later to see if the issue exists or not.

As far as I checked, the issue exists on curl 7.70.0 and fixed on the latest curl (which is 7.83.1 at the moment). So, I think it’s related to own curl library not the php_curl implementation.

I found the issue. The problem is related to TLS 1.3 handshaking and for some unknown reasons requests to smushpro.wpmudev.com are stuck at TLS handshaking on curl PHP bundled version (7.70.0).
It hangs after:

TLSv1.3 (OUT), TLS handshake, Client hello (1)

With the latest curl (7.83.1) standalone installation, it’s not getting errors. The temp solution to fix it is to force the max TLS version to 1.2 on curl requests:

add_action('http_api_curl', function( $handle ){
    curl_setopt($handle, CURLOPT_SSLVERSION, CURL_SSLVERSION_MAX_TLSv1_2);
 });

I can open the URL on the browser: https://smushpro.wpmudev.com/1.0/

{"success":false,"data":"No file content sent."}

I’m using WP-PostViews

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