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To configure 1&1 Webmail SMTP in Magento 2, you need to log in to the Magento admin panel, navigate to Stores > Configuration > Advanced > System > Mail Sending Settings, and input your 1&1 SMTP server details (host, port, authentication, etc.) for outgoing emails. Make sure to enable SSL/TLS and test the configuration to ensure emails are sent correctly.

Magento 2 has three modes: Default, Developer, and Production. Developer mode is used for debugging and development, Production mode is optimized for performance in live sites, and Default mode is a hybrid used mainly for testing and customization. Each mode affects caching, error reporting, and file generation.

Magento 2 shows the "Exception Printing is Disabled by Default for Security Reasons" error when an issue occurs, but detailed error messages are hidden for security. To view the full error, developers need to enable exception printing by modifying the report.php file or switching to developer mode.

This article provides a solution for the "You Don't Have Permission to Access / on this Server" error in Magento 2. It explains common causes like incorrect file permissions or Apache configuration issues and offers steps to fix them.

This guide explains how to add a custom customer attribute programmatically in Magento 2 using a setup script. It covers creating the attribute, configuring its properties, and making it visible in forms like the admin panel or customer account pages.

To add a custom variable to an email template in Magento 2, you need to define the variable in your code—typically by extending the email template variables via a custom module or observer. Then, reference the variable using {{var your_custom_variable}} in the email template. This allows dynamic, personalized content in automated Magento emails. Proper testing ensures the variable renders correctly in the final email.

To get a product attribute value in Magento 2 the right way, use Magento’s service contracts and dependency injection. This ensures better performance, testability, and compatibility with future upgrades. Avoid using direct object manager calls for cleaner, more maintainable code.

Learn how to add custom fields to the Magento 2 checkout page programmatically by modifying layout files and extending JavaScript components. This allows you to collect additional customer information during the checkout process.

In Magento 2, you can check if a customer is logged in by using session management or dependency injection in a custom module. This helps personalize content, restrict access, and enhance the user experience.

To check your Magento 2 version, you can use the admin panel, command-line interface, or configuration files. Knowing the version helps with updates and compatibility.