WP开发教程 WordPress导师在线教程
QQ邮箱适用，需要from邮件为授权的邮件
<?php
/**
* Custom SMTP Configuration with Admin Settings Page
*
* This file configures the WordPress email system to use a custom SMTP server.
* Settings can be configured from the WordPress admin panel.
*/
// Prevent direct access
if (!defined('ABSPATH')) {
exit;
}
/**
* Register SMTP Settings
*/
function ruixing_smtp_register_settings()
{
// Register settings group
register_setting('ruixing_smtp_settings', 'ruixing_smtp_options', 'ruixing_smtp_sanitize_options');
}
add_action('admin_init', 'ruixing_smtp_register_settings');
/**
* Sanitize options before saving
*/
function ruixing_smtp_sanitize_options($input)
{
$sanitized = array();
$sanitized['enabled'] = isset($input['enabled']) ? 1 : 0;
$sanitized['host'] = sanitize_text_field($input['host'] ?? '');
$sanitized['port'] = absint($input['port'] ?? 587);
$sanitized['encryption'] = sanitize_text_field($input['encryption'] ?? 'tls');
$sanitized['auth'] = isset($input['auth']) ? 1 : 0;
$sanitized['username'] = sanitize_text_field($input['username'] ?? '');
// Only update password if a new one is provided
if (!empty($input['password'])) {
$sanitized['password'] = $input['password']; // Don't sanitize password to preserve special chars
} else {
// Keep existing password
$existing = get_option('ruixing_smtp_options', array());
$sanitized['password'] = $existing['password'] ?? '';
}
$sanitized['from_email'] = sanitize_email($input['from_email'] ?? '');
$sanitized['from_name'] = sanitize_text_field($input['from_name'] ?? '');
return $sanitized;
}
/**
* Get default SMTP options
*/
function ruixing_smtp_get_defaults()
{
return array(
'enabled' => 0,
'host' => '',
'port' => 587,
'encryption' => 'tls',
'auth' => 1,
'username' => '',
'password' => '',
'from_email' => get_option('admin_email'),
'from_name' => get_bloginfo('name')
);
}
/**
* Get SMTP options with defaults
*/
function ruixing_smtp_get_options()
{
$defaults = ruixing_smtp_get_defaults();
$options = get_option('ruixing_smtp_options', array());
return wp_parse_args($options, $defaults);
}
/**
* Add admin menu page
*/
function ruixing_smtp_admin_menu()
{
add_options_page(
__('SMTP Settings', 'ruixing'),
__('SMTP Settings', 'ruixing'),
'manage_options',
'ruixing-smtp-settings',
'ruixing_smtp_settings_page'
);
}
add_action('admin_menu', 'ruixing_smtp_admin_menu');
/**
* Admin settings page HTML
*/
function ruixing_smtp_settings_page()
{
// Check user capabilities
if (!current_user_can('manage_options')) {
return;
}
// Get current options
$options = ruixing_smtp_get_options();
// Handle test email
$test_result = '';
if (isset($_POST['ruixing_smtp_test']) && check_admin_referer('ruixing_smtp_test_nonce')) {
$test_email = sanitize_email($_POST['test_email']);
if (is_email($test_email)) {
$test_result = ruixing_smtp_send_test_email($test_email);
} else {
$test_result = array('success' => false, 'message' => __('Please enter a valid email address.', 'ruixing'));
}
}
// Show settings saved message
if (isset($_GET['settings-updated'])) {
add_settings_error('ruixing_smtp_messages', 'ruixing_smtp_message', __('Settings Saved', 'ruixing'), 'updated');
}
// Show any messages
settings_errors('ruixing_smtp_messages');
?>
<div class="wrap">
<h1><?php echo esc_html(get_admin_page_title()); ?></h1>
<div class="ruixing-smtp-container" style="display: flex; gap: 20px; flex-wrap: wrap;">
<!-- Settings Form -->
<div class="ruixing-smtp-settings" style="flex: 1; min-width: 400px;">
<form action="options.php" method="post">
<?php settings_fields('ruixing_smtp_settings'); ?>
<table class="form-table" role="presentation">
<!-- Enable SMTP -->
<tr>
<th scope="row"><?php _e('Enable SMTP', 'ruixing'); ?></th>
<td>
<label>
<input type="checkbox" name="ruixing_smtp_options[enabled]" value="1" <?php checked($options['enabled'], 1); ?>>
<?php _e('Use custom SMTP server for sending emails', 'ruixing'); ?>
</label>
<p class="description">
<?php _e('When disabled, WordPress will use the default PHP mail() function.', 'ruixing'); ?>
</p>
</td>
</tr>
<!-- SMTP Host -->
<tr>
<th scope="row">
<label for="smtp_host"><?php _e('SMTP Host', 'ruixing'); ?></label>
</th>
<td>
<input type="text" id="smtp_host" name="ruixing_smtp_options[host]"
value="<?php echo esc_attr($options['host']); ?>" class="regular-text"
placeholder="e.g., smtp.gmail.com, mail.yourdomain.com">
<p class="description"><?php _e('The SMTP server address.', 'ruixing'); ?></p>
</td>
</tr>
<!-- SMTP Port -->
<tr>
<th scope="row">
<label for="smtp_port"><?php _e('SMTP Port', 'ruixing'); ?></label>
</th>
<td>
<input type="number" id="smtp_port" name="ruixing_smtp_options[port]"
value="<?php echo esc_attr($options['port']); ?>" class="small-text">
<p class="description">
<?php _e('Common ports: 25 (no encryption), 465 (SSL), 587 (TLS)', 'ruixing'); ?>
</p>
</td>
</tr>
<!-- Encryption -->
<tr>
<th scope="row">
<label for="smtp_encryption"><?php _e('Encryption', 'ruixing'); ?></label>
</th>
<td>
<select id="smtp_encryption" name="ruixing_smtp_options[encryption]">
<option value="" <?php selected($options['encryption'], ''); ?>>
<?php _e('None', 'ruixing'); ?>
</option>
<option value="ssl" <?php selected($options['encryption'], 'ssl'); ?>>SSL</option>
<option value="tls" <?php selected($options['encryption'], 'tls'); ?>>TLS</option>
</select>
<p class="description">
<?php _e('Recommended: TLS for port 587, SSL for port 465', 'ruixing'); ?>
</p>
</td>
</tr>
<!-- Authentication -->
<tr>
<th scope="row"><?php _e('Authentication', 'ruixing'); ?></th>
<td>
<label>
<input type="checkbox" name="ruixing_smtp_options[auth]" value="1" <?php checked($options['auth'], 1); ?>>
<?php _e('Use SMTP authentication', 'ruixing'); ?>
</label>
<p class="description"><?php _e('Most SMTP servers require authentication.', 'ruixing'); ?>
</p>
</td>
</tr>
<!-- Username -->
<tr>
<th scope="row">
<label for="smtp_username"><?php _e('SMTP Username', 'ruixing'); ?></label>
</th>
<td>
<input type="text" id="smtp_username" name="ruixing_smtp_options[username]"
value="<?php echo esc_attr($options['username']); ?>" class="regular-text"
autocomplete="off">
<p class="description">
<?php _e('Usually your email address or account username.', 'ruixing'); ?>
</p>
</td>
</tr>
<!-- Password -->
<tr>
<th scope="row">
<label for="smtp_password"><?php _e('SMTP Password', 'ruixing'); ?></label>
</th>
<td>
<input type="password" id="smtp_password" name="ruixing_smtp_options[password]" value=""
class="regular-text" autocomplete="new-password"
placeholder="<?php echo !empty($options['password']) ? '••••••••' : ''; ?>">
<p class="description">
<?php
if (!empty($options['password'])) {
_e('Password is saved. Leave blank to keep current password.', 'ruixing');
} else {
_e('Enter your SMTP password or app-specific password.', 'ruixing');
}
?>
</p>
</td>
</tr>
<!-- From Email -->
<tr>
<th scope="row">
<label for="smtp_from_email"><?php _e('From Email', 'ruixing'); ?></label>
</th>
<td>
<input type="email" id="smtp_from_email" name="ruixing_smtp_options[from_email]"
value="<?php echo esc_attr($options['from_email']); ?>" class="regular-text">
<p class="description">
<?php _e('The email address that emails will be sent from.', 'ruixing'); ?>
</p>
</td>
</tr>
<!-- From Name -->
<tr>
<th scope="row">
<label for="smtp_from_name"><?php _e('From Name', 'ruixing'); ?></label>
</th>
<td>
<input type="text" id="smtp_from_name" name="ruixing_smtp_options[from_name]"
value="<?php echo esc_attr($options['from_name']); ?>" class="regular-text">
<p class="description"><?php _e('The name that emails will be sent from.', 'ruixing'); ?>
</p>
</td>
</tr>
</table>
<?php submit_button(__('Save Settings', 'ruixing')); ?>
</form>
</div>
<!-- Test Email & Info Panel -->
<div class="ruixing-smtp-sidebar" style="flex: 0 0 350px;">
<!-- Test Email Card -->
<div class="card" style="max-width: 100%; padding: 15px;">
<h2 style="margin-top: 0;"><?php _e('Test Email', 'ruixing'); ?></h2>
<?php if ($test_result): ?>
<div class="notice <?php echo $test_result['success'] ? 'notice-success' : 'notice-error'; ?>"
style="margin: 10px 0;">
<p><?php echo esc_html($test_result['message']); ?></p>
<?php if (!empty($test_result['debug'])): ?>
<details style="margin-top: 10px;">
<summary><?php _e('Debug Info', 'ruixing'); ?></summary>
<pre
style="background: #f5f5f5; padding: 10px; overflow-x: auto; font-size: 11px;"><?php echo esc_html($test_result['debug']); ?></pre>
</details>
<?php endif; ?>
</div>
<?php endif; ?>
<form method="post">
<?php wp_nonce_field('ruixing_smtp_test_nonce'); ?>
<p>
<label for="test_email"><?php _e('Send test email to:', 'ruixing'); ?></label>
<input type="email" id="test_email" name="test_email"
value="<?php echo esc_attr(get_option('admin_email')); ?>" class="regular-text"
style="width: 100%;">
</p>
<p>
<button type="submit" name="ruixing_smtp_test" class="button button-secondary">
<?php _e('Send Test Email', 'ruixing'); ?>
</button>
</p>
</form>
</div>
<!-- Common SMTP Settings Reference -->
<div class="card" style="max-width: 100%; padding: 15px; margin-top: 20px;">
<h2 style="margin-top: 0;"><?php _e('Common SMTP Settings', 'ruixing'); ?></h2>
<h4 style="margin-bottom: 5px;">SiteGround</h4>
<p style="margin-top: 0; font-size: 12px; color: #666;">
Host: <code>mail.yourdomain.com</code><br>
Port: <code>465</code> (SSL) or <code>587</code> (TLS)<br>
Username: Your full email address
</p>
<h4 style="margin-bottom: 5px;">Gmail</h4>
<p style="margin-top: 0; font-size: 12px; color: #666;">
Host: <code>smtp.gmail.com</code><br>
Port: <code>587</code> (TLS) or <code>465</code> (SSL)<br>
Use App Password (not regular password)
</p>
<h4 style="margin-bottom: 5px;">QQ Mail</h4>
<p style="margin-top: 0; font-size: 12px; color: #666;">
Host: <code>smtp.qq.com</code><br>
Port: <code>465</code> (SSL) or <code>587</code> (TLS)<br>
Use Authorization Code as password
</p>
<h4 style="margin-bottom: 5px;">Outlook/Office 365</h4>
<p style="margin-top: 0; font-size: 12px; color: #666;">
Host: <code>smtp.office365.com</code><br>
Port: <code>587</code> (TLS)
</p>
</div>
<!-- Status Card -->
<div class="card" style="max-width: 100%; padding: 15px; margin-top: 20px;">
<h2 style="margin-top: 0;"><?php _e('Current Status', 'ruixing'); ?></h2>
<?php if ($options['enabled'] && !empty($options['host'])): ?>
<p style="color: #46b450;">
<span class="dashicons dashicons-yes-alt"></span>
<?php printf(__('SMTP Enabled: %s', 'ruixing'), '<strong>' . esc_html($options['host']) . '</strong>'); ?>
</p>
<?php else: ?>
<p style="color: #dc3232;">
<span class="dashicons dashicons-warning"></span>
<?php _e('SMTP is disabled or not configured', 'ruixing'); ?>
</p>
<?php endif; ?>
</div>
</div>
</div>
</div>
<style>
.ruixing-smtp-container .card {
background: #fff;
border: 1px solid #ccd0d4;
border-radius: 4px;
box-shadow: 0 1px 1px rgba(0, 0, 0, .04);
}
.ruixing-smtp-container code {
background: #f0f0f1;
padding: 2px 5px;
border-radius: 3px;
}
@media (max-width: 960px) {
.ruixing-smtp-container {
flex-direction: column;
}
.ruixing-smtp-sidebar {
flex: 1 1 100% !important;
}
}
</style>
<?php
}
/**
* Send test email
*/
function ruixing_smtp_send_test_email($to)
{
$subject = sprintf(__('[%s] SMTP Test Email', 'ruixing'), get_bloginfo('name'));
$message = sprintf(
__("This is a test email sent from your WordPress site.\n\nIf you received this email, your SMTP settings are working correctly!\n\nSent at: %s\n\nSite: %s", 'ruixing'),
current_time('mysql'),
home_url()
);
// Enable debug mode temporarily
global $ruixing_smtp_debug;
$ruixing_smtp_debug = '';
add_action('phpmailer_init', 'ruixing_smtp_capture_debug', 999);
$result = wp_mail($to, $subject, $message);
remove_action('phpmailer_init', 'ruixing_smtp_capture_debug', 999);
if ($result) {
return array(
'success' => true,
'message' => sprintf(__('Test email sent successfully to %s', 'ruixing'), $to)
);
} else {
global $phpmailer;
$error = '';
if (isset($phpmailer) && is_object($phpmailer)) {
$error = $phpmailer->ErrorInfo;
}
return array(
'success' => false,
'message' => __('Failed to send test email.', 'ruixing'),
'debug' => !empty($error) ? $error : (!empty($ruixing_smtp_debug) ? $ruixing_smtp_debug : __('No debug information available.', 'ruixing'))
);
}
}
/**
* Capture debug info
*/
function ruixing_smtp_capture_debug($phpmailer)
{
global $ruixing_smtp_debug;
$phpmailer->SMTPDebug = 2;
$phpmailer->Debugoutput = function ($str, $level) {
global $ruixing_smtp_debug;
$ruixing_smtp_debug .= $str;
};
}
/**
* Configure PHPMailer to use SMTP
*/
function ruixing_configure_smtp($phpmailer)
{
$options = ruixing_smtp_get_options();
// Check if SMTP is enabled
if (!$options['enabled'] || empty($options['host'])) {
return;
}
// Apply configuration to PHPMailer
$phpmailer->isSMTP();
$phpmailer->Host = $options['host'];
$phpmailer->Port = $options['port'];
$phpmailer->SMTPAuth = (bool) $options['auth'];
if (!empty($options['encryption'])) {
$phpmailer->SMTPSecure = $options['encryption'];
}
if ($options['auth']) {
$phpmailer->Username = $options['username'];
$phpmailer->Password = $options['password'];
}
// Set From address
if (!empty($options['from_email'])) {
$phpmailer->From = $options['from_email'];
}
if (!empty($options['from_name'])) {
$phpmailer->FromName = $options['from_name'];
}
}
add_action('phpmailer_init', 'ruixing_configure_smtp');
/**
* Force From email to match SMTP username (required by many SMTP servers)
*/
function ruixing_smtp_force_from_email($from_email)
{
$options = ruixing_smtp_get_options();
// Only override if SMTP is enabled and we have a username
if ($options['enabled'] && !empty($options['username'])) {
// Use the from_email setting if it's set and matches the SMTP domain
// Otherwise, use the SMTP username directly
if (!empty($options['from_email']) && is_email($options['from_email'])) {
// Check if from_email domain matches username domain (for servers that allow same-domain sending)
$from_domain = substr(strrchr($options['from_email'], "@"), 1);
$username_domain = substr(strrchr($options['username'], "@"), 1);
if ($from_domain === $username_domain) {
return $options['from_email'];
}
}
// Default: use SMTP username as from email (safest option)
return $options['username'];
}
return $from_email;
}
add_filter('wp_mail_from', 'ruixing_smtp_force_from_email', 9999);
/**
* Force From name
*/
function ruixing_smtp_force_from_name($from_name)
{
$options = ruixing_smtp_get_options();
if ($options['enabled'] && !empty($options['from_name'])) {
return $options['from_name'];
}
return $from_name;
}
add_filter('wp_mail_from_name', 'ruixing_smtp_force_from_name', 9999);
/**
* Add settings link on plugins page (for theme, add to theme settings)
*/
function ruixing_smtp_settings_link($links)
{
$settings_link = '<a href="options-general.php?page=ruixing-smtp-settings">' . __('SMTP Settings', 'ruixing') . '</a>';
array_unshift($links, $settings_link);
return $links;
}
非QQ邮箱适用，适用wp生成的from的邮件地址
<?php
/**
* Custom SMTP Configuration with Admin Settings Page
*
* This file configures the WordPress email system to use a custom SMTP server.
* Settings can be configured from the WordPress admin panel.
*/
// Prevent direct access
if (!defined('ABSPATH')) {
exit;
}
/**
* Register SMTP Settings
*/
function ruixing_smtp_register_settings()
{
// Register settings group
register_setting('ruixing_smtp_settings', 'ruixing_smtp_options', 'ruixing_smtp_sanitize_options');
}
add_action('admin_init', 'ruixing_smtp_register_settings');
/**
* Sanitize options before saving
*/
function ruixing_smtp_sanitize_options($input)
{
$sanitized = array();
$sanitized['enabled'] = isset($input['enabled']) ? 1 : 0;
$sanitized['host'] = sanitize_text_field($input['host'] ?? '');
$sanitized['port'] = absint($input['port'] ?? 587);
$sanitized['encryption'] = sanitize_text_field($input['encryption'] ?? 'tls');
$sanitized['auth'] = isset($input['auth']) ? 1 : 0;
$sanitized['username'] = sanitize_text_field($input['username'] ?? '');
// Only update password if a new one is provided
if (!empty($input['password'])) {
$sanitized['password'] = $input['password']; // Don't sanitize password to preserve special chars
} else {
// Keep existing password
$existing = get_option('ruixing_smtp_options', array());
$sanitized['password'] = $existing['password'] ?? '';
}
$sanitized['from_email'] = sanitize_email($input['from_email'] ?? '');
$sanitized['from_name'] = sanitize_text_field($input['from_name'] ?? '');
return $sanitized;
}
/**
* Get default SMTP options
*/
function ruixing_smtp_get_defaults()
{
return array(
'enabled' => 0,
'host' => '',
'port' => 587,
'encryption' => 'tls',
'auth' => 1,
'username' => '',
'password' => '',
'from_email' => get_option('admin_email'),
'from_name' => get_bloginfo('name')
);
}
/**
* Get SMTP options with defaults
*/
function ruixing_smtp_get_options()
{
$defaults = ruixing_smtp_get_defaults();
$options = get_option('ruixing_smtp_options', array());
return wp_parse_args($options, $defaults);
}
/**
* Add admin menu page
*/
function ruixing_smtp_admin_menu()
{
add_options_page(
__('SMTP Settings', 'ruixing'),
__('SMTP Settings', 'ruixing'),
'manage_options',
'ruixing-smtp-settings',
'ruixing_smtp_settings_page'
);
}
add_action('admin_menu', 'ruixing_smtp_admin_menu');
/**
* Admin settings page HTML
*/
function ruixing_smtp_settings_page()
{
// Check user capabilities
if (!current_user_can('manage_options')) {
return;
}
// Get current options
$options = ruixing_smtp_get_options();
// Handle test email
$test_result = '';
if (isset($_POST['ruixing_smtp_test']) && check_admin_referer('ruixing_smtp_test_nonce')) {
$test_email = sanitize_email($_POST['test_email']);
if (is_email($test_email)) {
$test_result = ruixing_smtp_send_test_email($test_email);
} else {
$test_result = array('success' => false, 'message' => __('Please enter a valid email address.', 'ruixing'));
}
}
// Show settings saved message
if (isset($_GET['settings-updated'])) {
add_settings_error('ruixing_smtp_messages', 'ruixing_smtp_message', __('Settings Saved', 'ruixing'), 'updated');
}
// Show any messages
settings_errors('ruixing_smtp_messages');
?>
<div class="wrap">
<h1><?php echo esc_html(get_admin_page_title()); ?></h1>
<div class="ruixing-smtp-container" style="display: flex; gap: 20px; flex-wrap: wrap;">
<!-- Settings Form -->
<div class="ruixing-smtp-settings" style="flex: 1; min-width: 400px;">
<form action="options.php" method="post">
<?php settings_fields('ruixing_smtp_settings'); ?>
<table class="form-table" role="presentation">
<!-- Enable SMTP -->
<tr>
<th scope="row"><?php _e('Enable SMTP', 'ruixing'); ?></th>
<td>
<label>
<input type="checkbox" name="ruixing_smtp_options[enabled]" value="1" <?php checked($options['enabled'], 1); ?>>
<?php _e('Use custom SMTP server for sending emails', 'ruixing'); ?>
</label>
<p class="description"><?php _e('When disabled, WordPress will use the default PHP mail() function.', 'ruixing'); ?></p>
</td>
</tr>
<!-- SMTP Host -->
<tr>
<th scope="row">
<label for="smtp_host"><?php _e('SMTP Host', 'ruixing'); ?></label>
</th>
<td>
<input type="text" id="smtp_host" name="ruixing_smtp_options[host]"
value="<?php echo esc_attr($options['host']); ?>" class="regular-text"
placeholder="e.g., smtp.gmail.com, mail.yourdomain.com">
<p class="description"><?php _e('The SMTP server address.', 'ruixing'); ?></p>
</td>
</tr>
<!-- SMTP Port -->
<tr>
<th scope="row">
<label for="smtp_port"><?php _e('SMTP Port', 'ruixing'); ?></label>
</th>
<td>
<input type="number" id="smtp_port" name="ruixing_smtp_options[port]"
value="<?php echo esc_attr($options['port']); ?>" class="small-text">
<p class="description">
<?php _e('Common ports: 25 (no encryption), 465 (SSL), 587 (TLS)', 'ruixing'); ?>
</p>
</td>
</tr>
<!-- Encryption -->
<tr>
<th scope="row">
<label for="smtp_encryption"><?php _e('Encryption', 'ruixing'); ?></label>
</th>
<td>
<select id="smtp_encryption" name="ruixing_smtp_options[encryption]">
<option value="" <?php selected($options['encryption'], ''); ?>><?php _e('None', 'ruixing'); ?></option>
<option value="ssl" <?php selected($options['encryption'], 'ssl'); ?>>SSL</option>
<option value="tls" <?php selected($options['encryption'], 'tls'); ?>>TLS</option>
</select>
<p class="description"><?php _e('Recommended: TLS for port 587, SSL for port 465', 'ruixing'); ?></p>
</td>
</tr>
<!-- Authentication -->
<tr>
<th scope="row"><?php _e('Authentication', 'ruixing'); ?></th>
<td>
<label>
<input type="checkbox" name="ruixing_smtp_options[auth]" value="1" <?php checked($options['auth'], 1); ?>>
<?php _e('Use SMTP authentication', 'ruixing'); ?>
</label>
<p class="description"><?php _e('Most SMTP servers require authentication.', 'ruixing'); ?></p>
</td>
</tr>
<!-- Username -->
<tr>
<th scope="row">
<label for="smtp_username"><?php _e('SMTP Username', 'ruixing'); ?></label>
</th>
<td>
<input type="text" id="smtp_username" name="ruixing_smtp_options[username]"
value="<?php echo esc_attr($options['username']); ?>" class="regular-text"
autocomplete="off">
<p class="description"><?php _e('Usually your email address or account username.', 'ruixing'); ?></p>
</td>
</tr>
<!-- Password -->
<tr>
<th scope="row">
<label for="smtp_password"><?php _e('SMTP Password', 'ruixing'); ?></label>
</th>
<td>
<input type="password" id="smtp_password" name="ruixing_smtp_options[password]"
value="" class="regular-text" autocomplete="new-password"
placeholder="<?php echo !empty($options['password']) ? '••••••••' : ''; ?>">
<p class="description">
<?php
if (!empty($options['password'])) {
_e('Password is saved. Leave blank to keep current password.', 'ruixing');
} else {
_e('Enter your SMTP password or app-specific password.', 'ruixing');
}
?>
</p>
</td>
</tr>
<!-- From Email -->
<tr>
<th scope="row">
<label for="smtp_from_email"><?php _e('From Email', 'ruixing'); ?></label>
</th>
<td>
<input type="email" id="smtp_from_email" name="ruixing_smtp_options[from_email]"
value="<?php echo esc_attr($options['from_email']); ?>" class="regular-text">
<p class="description"><?php _e('The email address that emails will be sent from.', 'ruixing'); ?></p>
</td>
</tr>
<!-- From Name -->
<tr>
<th scope="row">
<label for="smtp_from_name"><?php _e('From Name', 'ruixing'); ?></label>
</th>
<td>
<input type="text" id="smtp_from_name" name="ruixing_smtp_options[from_name]"
value="<?php echo esc_attr($options['from_name']); ?>" class="regular-text">
<p class="description"><?php _e('The name that emails will be sent from.', 'ruixing'); ?></p>
</td>
</tr>
</table>
<?php submit_button(__('Save Settings', 'ruixing')); ?>
</form>
</div>
<!-- Test Email & Info Panel -->
<div class="ruixing-smtp-sidebar" style="flex: 0 0 350px;">
<!-- Test Email Card -->
<div class="card" style="max-width: 100%; padding: 15px;">
<h2 style="margin-top: 0;"><?php _e('Test Email', 'ruixing'); ?></h2>
<?php if ($test_result): ?>
<div class="notice <?php echo $test_result['success'] ? 'notice-success' : 'notice-error'; ?>" style="margin: 10px 0;">
<p><?php echo esc_html($test_result['message']); ?></p>
<?php if (!empty($test_result['debug'])): ?>
<details style="margin-top: 10px;">
<summary><?php _e('Debug Info', 'ruixing'); ?></summary>
<pre style="background: #f5f5f5; padding: 10px; overflow-x: auto; font-size: 11px;"><?php echo esc_html($test_result['debug']); ?></pre>
</details>
<?php endif; ?>
</div>
<?php endif; ?>
<form method="post">
<?php wp_nonce_field('ruixing_smtp_test_nonce'); ?>
<p>
<label for="test_email"><?php _e('Send test email to:', 'ruixing'); ?></label>
<input type="email" id="test_email" name="test_email"
value="<?php echo esc_attr(get_option('admin_email')); ?>"
class="regular-text" style="width: 100%;">
</p>
<p>
<button type="submit" name="ruixing_smtp_test" class="button button-secondary">
<?php _e('Send Test Email', 'ruixing'); ?>
</button>
</p>
</form>
</div>
<!-- Common SMTP Settings Reference -->
<div class="card" style="max-width: 100%; padding: 15px; margin-top: 20px;">
<h2 style="margin-top: 0;"><?php _e('Common SMTP Settings', 'ruixing'); ?></h2>
<h4 style="margin-bottom: 5px;">SiteGround</h4>
<p style="margin-top: 0; font-size: 12px; color: #666;">
Host: <code>mail.yourdomain.com</code><br>
Port: <code>465</code> (SSL) or <code>587</code> (TLS)<br>
Username: Your full email address
</p>
<h4 style="margin-bottom: 5px;">Gmail</h4>
<p style="margin-top: 0; font-size: 12px; color: #666;">
Host: <code>smtp.gmail.com</code><br>
Port: <code>587</code> (TLS) or <code>465</code> (SSL)<br>
Use App Password (not regular password)
</p>
<h4 style="margin-bottom: 5px;">QQ Mail</h4>
<p style="margin-top: 0; font-size: 12px; color: #666;">
Host: <code>smtp.qq.com</code><br>
Port: <code>465</code> (SSL) or <code>587</code> (TLS)<br>
Use Authorization Code as password
</p>
<h4 style="margin-bottom: 5px;">Outlook/Office 365</h4>
<p style="margin-top: 0; font-size: 12px; color: #666;">
Host: <code>smtp.office365.com</code><br>
Port: <code>587</code> (TLS)
</p>
</div>
<!-- Status Card -->
<div class="card" style="max-width: 100%; padding: 15px; margin-top: 20px;">
<h2 style="margin-top: 0;"><?php _e('Current Status', 'ruixing'); ?></h2>
<?php if ($options['enabled'] && !empty($options['host'])): ?>
<p style="color: #46b450;">
<span class="dashicons dashicons-yes-alt"></span>
<?php printf(__('SMTP Enabled: %s', 'ruixing'), '<strong>' . esc_html($options['host']) . '</strong>'); ?>
</p>
<?php else: ?>
<p style="color: #dc3232;">
<span class="dashicons dashicons-warning"></span>
<?php _e('SMTP is disabled or not configured', 'ruixing'); ?>
</p>
<?php endif; ?>
</div>
</div>
</div>
</div>
<style>
.ruixing-smtp-container .card {
background: #fff;
border: 1px solid #ccd0d4;
border-radius: 4px;
box-shadow: 0 1px 1px rgba(0,0,0,.04);
}
.ruixing-smtp-container code {
background: #f0f0f1;
padding: 2px 5px;
border-radius: 3px;
}
@media (max-width: 960px) {
.ruixing-smtp-container {
flex-direction: column;
}
.ruixing-smtp-sidebar {
flex: 1 1 100% !important;
}
}
</style>
<?php
}
/**
* Send test email
*/
function ruixing_smtp_send_test_email($to)
{
$subject = sprintf(__('[%s] SMTP Test Email', 'ruixing'), get_bloginfo('name'));
$message = sprintf(
__("This is a test email sent from your WordPress site.\n\nIf you received this email, your SMTP settings are working correctly!\n\nSent at: %s\n\nSite: %s", 'ruixing'),
current_time('mysql'),
home_url()
);
// Enable debug mode temporarily
global $ruixing_smtp_debug;
$ruixing_smtp_debug = '';
add_action('phpmailer_init', 'ruixing_smtp_capture_debug', 999);
$result = wp_mail($to, $subject, $message);
remove_action('phpmailer_init', 'ruixing_smtp_capture_debug', 999);
if ($result) {
return array(
'success' => true,
'message' => sprintf(__('Test email sent successfully to %s', 'ruixing'), $to)
);
} else {
global $phpmailer;
$error = '';
if (isset($phpmailer) && is_object($phpmailer)) {
$error = $phpmailer->ErrorInfo;
}
return array(
'success' => false,
'message' => __('Failed to send test email.', 'ruixing'),
'debug' => !empty($error) ? $error : (!empty($ruixing_smtp_debug) ? $ruixing_smtp_debug : __('No debug information available.', 'ruixing'))
);
}
}
/**
* Capture debug info
*/
function ruixing_smtp_capture_debug($phpmailer)
{
global $ruixing_smtp_debug;
$phpmailer->SMTPDebug = 2;
$phpmailer->Debugoutput = function ($str, $level) {
global $ruixing_smtp_debug;
$ruixing_smtp_debug .= $str;
};
}
/**
* Configure PHPMailer to use SMTP
*/
function ruixing_configure_smtp($phpmailer)
{
$options = ruixing_smtp_get_options();
// Check if SMTP is enabled
if (!$options['enabled'] || empty($options['host'])) {
return;
}
// Apply configuration to PHPMailer
$phpmailer->isSMTP();
$phpmailer->Host = $options['host'];
$phpmailer->Port = $options['port'];
$phpmailer->SMTPAuth = (bool) $options['auth'];
if (!empty($options['encryption'])) {
$phpmailer->SMTPSecure = $options['encryption'];
}
if ($options['auth']) {
$phpmailer->Username = $options['username'];
$phpmailer->Password = $options['password'];
}
// Set From address
if (!empty($options['from_email'])) {
$phpmailer->From = $options['from_email'];
}
if (!empty($options['from_name'])) {
$phpmailer->FromName = $options['from_name'];
}
}
add_action('phpmailer_init', 'ruixing_configure_smtp');
/**
* Add settings link on plugins page (for theme, add to theme settings)
*/
function ruixing_smtp_settings_link($links)
{
$settings_link = '<a href="options-general.php?page=ruixing-smtp-settings">' . __('SMTP Settings', 'ruixing') . '</a>';
array_unshift($links, $settings_link);
return $links;
}
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smtp服务器搭建-siteground-wordpress
QQ邮箱适用，需要from邮件为授权的邮...
