wp_mail() function to use Gmail/Mailgun/SendGrid/SMTP instead of the default mail() and creates an options page to manage the settings. * Author: WP Mail SMTP * Author URI: https://wpmailsmtp.com/ * Network: false * Text Domain: wp-mail-smtp * Domain Path: /assets/languages */ /** * @author WPForms * @copyright WPForms, 2007-23, All Rights Reserved * This code is released under the GPL licence version 3 or later, available here * https://www.gnu.org/licenses/gpl.txt */ /** * Setting options in wp-config.php * * Specifically aimed at WP Multisite users, you can set the options for this plugin as * constants in wp-config.php. Copy the code below into wp-config.php and tweak settings. * Values from constants are NOT stripslash()'ed. * * When enabled, make sure to comment out (at the beginning of the line using //) those constants that you do not need, * or remove them completely, so they won't interfere with plugin settings. */ /* define( 'WPMS_ON', true ); // True turns on the whole constants support and usage, false turns it off. define( 'WPMS_DO_NOT_SEND', true ); // Or false, in that case constant is ignored. define( 'WPMS_MAIL_FROM', 'mail@example.com' ); define( 'WPMS_MAIL_FROM_FORCE', true ); // True turns it on, false turns it off. define( 'WPMS_MAIL_FROM_NAME', 'From Name' ); define( 'WPMS_MAIL_FROM_NAME_FORCE', true ); // True turns it on, false turns it off. define( 'WPMS_MAILER', 'sendinblue' ); // Possible values: 'mail', 'smtpcom', 'sendinblue', 'mailgun', 'sendgrid', 'gmail', 'smtp'. define( 'WPMS_SET_RETURN_PATH', true ); // Sets $phpmailer->Sender if true, relevant only for Other SMTP mailer. // Recommended mailers. define( 'WPMS_SMTPCOM_API_KEY', '' ); define( 'WPMS_SMTPCOM_CHANNEL', '' ); define( 'WPMS_SENDINBLUE_API_KEY', '' ); define( 'WPMS_SENDINBLUE_DOMAIN', '' ); define( 'WPMS_ZOHO_DOMAIN', '' ); define( 'WPMS_ZOHO_CLIENT_ID', '' ); define( 'WPMS_ZOHO_CLIENT_SECRET', '' ); define( 'WPMS_PEPIPOST_API_KEY', '' ); define( 'WPMS_SENDINBLUE_API_KEY', '' ); define( 'WPMS_MAILGUN_API_KEY', '' ); define( 'WPMS_MAILGUN_DOMAIN', '' ); define( 'WPMS_MAILGUN_REGION', 'US' ); // or 'EU' for Europe. define( 'WPMS_SENDGRID_API_KEY', '' ); define( 'WPMS_GMAIL_CLIENT_ID', '' ); define( 'WPMS_GMAIL_CLIENT_SECRET', '' ); define( 'WPMS_SMTP_HOST', 'localhost' ); // The SMTP mail host. define( 'WPMS_SMTP_PORT', 25 ); // The SMTP server port number. define( 'WPMS_SSL', '' ); // Possible values '', 'ssl', 'tls' - note TLS is not STARTTLS. define( 'WPMS_SMTP_AUTH', true ); // True turns it on, false turns it off. define( 'WPMS_SMTP_USER', 'username' ); // SMTP authentication username, only used if WPMS_SMTP_AUTH is true. define( 'WPMS_SMTP_PASS', 'password' ); // SMTP authentication password, only used if WPMS_SMTP_AUTH is true. define( 'WPMS_SMTP_AUTOTLS', true ); // True turns it on, false turns it off. */ /** * Don't allow multiple versions of 1.5.x (Lite and Pro) and above to be active. * * @since 1.5.0 */ if ( function_exists( 'wp_mail_smtp' ) ) { if ( ! function_exists( 'wp_mail_smtp_deactivate' ) ) { /** * Deactivate if plugin already activated. * Needed when transitioning from 1.5+ Lite to Pro. * * @since 1.5.0 */ function wp_mail_smtp_deactivate() { /* * Prevent issues of WP functions not being available for other plugins that hook into * this early deactivation. GH issue #861. */ require_once ABSPATH . WPINC . '/pluggable.php'; deactivate_plugins( plugin_basename( __FILE__ ) ); } } add_action( 'admin_init', 'wp_mail_smtp_deactivate' ); // Do not process the plugin code further. return; } if ( ! function_exists( 'wp_mail_smtp_check_pro_loading_allowed' ) ) { /** * Don't allow 1.4.x and below to break when 1.5+ Pro is activated. * This will stop the current plugin from loading and display a message in admin area. * * @since 1.5.0 */ function wp_mail_smtp_check_pro_loading_allowed() { // Check for pro without using wp_mail_smtp()->is_pro(), because at this point it's too early. if ( ! is_readable( rtrim( plugin_dir_path( __FILE__ ), '/\\' ) . '/src/Pro/Pro.php' ) ) { // Currently, not a pro version of the plugin is loaded. return false; } if ( ! function_exists( 'is_plugin_active' ) ) { require_once ABSPATH . '/wp-admin/includes/plugin.php'; } $lite_plugin_slug = 'wp-mail-smtp/wp_mail_smtp.php'; // Search for old plugin name. if ( is_plugin_active( $lite_plugin_slug ) ) { /* * Prevent issues of WP functions not being available for other plugins that hook into * this early deactivation. GH issue #861. */ require_once ABSPATH . WPINC . '/pluggable.php'; if ( is_multisite() && is_plugin_active_for_network( plugin_basename( __FILE__ ) ) && ! is_plugin_active_for_network( $lite_plugin_slug ) ) { // Deactivate Lite plugin if Pro activated on Network level. deactivate_plugins( $lite_plugin_slug ); } else { // As Pro is loaded and Lite too - deactivate *silently* itself not to break older SMTP plugin. deactivate_plugins( plugin_basename( __FILE__ ) ); if ( is_network_admin() ) { add_action( 'network_admin_notices', 'wp_mail_smtp_lite_deactivation_notice' ); } else { add_action( 'admin_notices', 'wp_mail_smtp_lite_deactivation_notice' ); } return true; } } return false; } if ( ! function_exists( 'wp_mail_smtp_lite_deactivation_notice' ) ) { /** * Display the notice after deactivation. * * @since 1.5.0 */ function wp_mail_smtp_lite_deactivation_notice() { echo '

' . esc_html__( 'Please deactivate the free version of the WP Mail SMTP plugin before activating WP Mail SMTP Pro.', 'wp-mail-smtp' ) . '

'; if ( isset( $_GET['activate'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended unset( $_GET['activate'] ); // phpcs:ignore WordPress.Security.NonceVerification.Recommended } } } // Stop the plugin loading. if ( wp_mail_smtp_check_pro_loading_allowed() === true ) { return; } } if ( ! function_exists( 'wp_mail_smtp_insecure_php_version_notice' ) ) { /** * Display admin notice, if the server is using old/insecure PHP version. * * @since 2.0.0 */ function wp_mail_smtp_insecure_php_version_notice() { ?>

insecure version of PHP that is no longer supported. Please contact your web hosting provider to update your PHP version or switch to a recommended WordPress hosting company.', 'wp-mail-smtp' ), array( 'a' => array( 'href' => array(), 'target' => array(), 'rel' => array(), ), 'strong' => array(), ) ), 'https://www.wpbeginner.com/wordpress-hosting/' ); ?>

'WordPress', 'utm_medium' => 'Admin Notice', 'utm_campaign' => is_readable( rtrim( plugin_dir_path( __FILE__ ), '/\\' ) . '/src/Pro/Pro.php' ) ? 'plugin' : 'liteplugin', 'utm_content' => 'Minimal Required PHP Version', ], 'https://wpmailsmtp.com/docs/supported-php-versions-for-wp-mail-smtp/' ); printf( wp_kses( /* translators: %s - WPMailSMTP.com docs URL with more details. */ __( 'WP Mail SMTP plugin is disabled on your site until you fix the issue. Read more for additional information.', 'wp-mail-smtp' ), array( 'a' => array( 'href' => array(), 'target' => array(), 'rel' => array(), ), 'strong' => array(), ) ), esc_url( $doc_link ) ); ?>

old version of WordPress that is no longer supported by WP Mail SMTP. Please update your WordPress site to at least version %s.', 'wp-mail-smtp' ), [ 'strong' => [], ] ), esc_html( WPMS_WP_VER ) ); ?>

WP Mail SMTP plugin is disabled on your site until WordPress is updated to the required version.', 'wp-mail-smtp' ), [ 'strong' => [], ] ); ?>