65535) $errors[] = 'A valid port number (1-65535) is required.'; if (empty($username)) $errors[] = 'Username is required.'; if (empty($password)) $errors[] = 'Password is required.'; if (!in_array($encryption, ['ssl', 'tls'])) $errors[] = 'Select a valid encryption type (SSL or TLS).'; if (!filter_var($username, FILTER_VALIDATE_EMAIL)) $errors[] = 'Enter a valid email address.'; if (!empty($errors)) { throw new Exception(implode('
', $errors)); } // Check if record exists $stmt = $db->prepare("SELECT COUNT(*) FROM smtp_settings WHERE id = 1"); $stmt->execute(); $exists = $stmt->fetchColumn(); if ($exists) { // Update existing record $stmt = $db->prepare(" UPDATE smtp_settings SET host = ?, port = ?, username = ?, password = ?, encryption = ? WHERE id = 1 "); $stmt->execute([$host, $port, $username, $password, $encryption]); } else { // Insert new record $stmt = $db->prepare(" INSERT INTO smtp_settings (id, host, port, username, password, encryption) VALUES (1, ?, ?, ?, ?, ?) "); $stmt->execute([$host, $port, $username, $password, $encryption]); } $message = 'SMTP settings successfully updated!'; } catch (Exception $e) { $error = 'Error updating SMTP settings: ' . $e->getMessage(); logError($error); } } elseif (isset($_POST['action']) && $_POST['action'] === 'test_email') { try { $test_email = trim(sanitizeInput($_POST['test_email'])); if (!filter_var($test_email, FILTER_VALIDATE_EMAIL)) { throw new Exception('Enter a valid email address.'); } $subject = "SMTP Test Email - " . ORGANIZATION_NAME; $body = "

SMTP Configuration Test

This is a test email sent to verify that your SMTP settings are working correctly.

Sent Time: " . date('d-m-Y H:i:s') . "

Organization: " . ORGANIZATION_NAME . "

If you received this email, your SMTP settings have been successfully configured.

"; if (sendEmail($test_email, $subject, $body, true)) { $message = 'Test email successfully sent!'; } else { throw new Exception('Failed to send test email.'); } } catch (Exception $e) { $error = 'Error sending test email: ' . $e->getMessage(); logError($error); } } } // Get current SMTP settings $smtpSettings = getSMTPConfig(); include 'includes/header.php'; ?>

SMTP Configuration

SMTP Host: *

Example: smtp.gmail.com, smtp.hostinger.com

Port: *

465 for SSL, 587 for TLS

Username (Email): *

Password: *

Use an App Password for Gmail

Encryption: *

Current Configuration

SMTP Host:
Port:
Username:
Encryption:

Tips:

Use an App Password for Gmail
Hostinger: Port 465 (SSL) or 587 (TLS)
Send a test email after changing settings
PHPMailer library must be installed