Configurar SMTP Wordpress - wp_mail()

wp-config.php

define( 'SMTP_USER',   'your-mail' );    // Username to use for SMTP authentication
define( 'SMTP_PASS',   'your-password' );       // Password to use for SMTP authentication
define( 'SMTP_HOST',   'smtp.gmail.com');    // The hostname of the mail server (it's for gmail servers)
define( 'SMTP_FROM',   'email-from' ); // SMTP From email address
define( 'SMTP_NAME',   'your-name' );    // SMTP From name
define( 'SMTP_PORT',   '587' );                  // SMTP port number - likely to be 25, 465 or 587
define( 'SMTP_SECURE', 'tls' );                 // Encryption system to use - ssl or tls
define( 'SMTP_AUTH',    true );                 // Use SMTP authentication (true|false)
define( 'SMTP_DEBUG',   1 );                    // for debugging purposes only set to 1 or 2