mailpoet_smtp_secure_connection_options_hook.php

Hello,

Does anybody know where to place the php program mailpoet_smtp_secure_connection_options_hook.php ?

Regards, Milo?

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https://kb.mailpoet.com/article/193-tls-encryption-does-not-work

Issue

When trying to send a test message/newsletter using a custom SMTP method configured to use TLS encryption, you see the following error message: ” unable to connect with TLS encryption”.

Description

PHP 5.6 or newer forces  verification of the destination server’s authenticity. If, for some reason, the server uses an invalid (or self-signed) certificate or your PHP has an invalid/missing certificate authority bundle, the secure connection will fail.

Solution

In the case of the invalid/missing certificate authority, please ensure that you host has a properly configured PHP installation that uses a valid certificate authority bundle.

If you are still unable to connect, it is possible that the destination server is using a self-signed certificate, which is disallowed by default. In this case you can use a custom hook to configure the secure connection?(i.e.,? set SSL context options) and disable self-signed certificates and/or authenticity verification.



<?php



add_filter('mailpoet_mailer_smtp_options', 'mailpoet_secure_connection_options');



function mailpoet_secure_connection_options() {

return [

'ssl' => [

// description of available options can be found here: https://php.net/manual/en/context.ssl.php

'verify_peer' => false,

'verify_peer_name' => false,

'allow_self_signed' => true,

],

];

}

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