Is there a way to send HTML formatted emails with WordPress’ wp_mail() function?

5 comments

1. from wp_mail codex page:

   The default content type is ‘text/plain’ which does not allow using HTML. However, you can set the content type of the email by using the ‘wp_mail_content_type’ filter.

   // In theme's functions.php or plug-in code:
   
   function wpse27856_set_content_type(){
       return "text/html";
   }
   add_filter( 'wp_mail_content_type','wpse27856_set_content_type' );
   

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2. As an alternative, you can specify the Content-Type HTTP header in the $headers parameter:

   $to = 'sendto@example.com';
   $subject = 'The subject';
   $body = 'The email body content';
   $headers = array('Content-Type: text/html; charset=UTF-8');
   
   wp_mail( $to, $subject, $body, $headers );
   

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3. Don’t forget to remove the content type filter after you use the wp_mail function.
   Following the accepted answer naming you should do this after wp_mail is executed:

   remove_filter( 'wp_mail_content_type','wpse27856_set_content_type' );
   

   Check this ticket here – Reset content-type to avoid conflicts — http://core.trac.wordpress.org/ticket/23578

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4. Another easy way I’m going to share below. Even you can style your mail body as your wish. Maybe it’s helpful for you.

   $email_to = 'someaddress@gmail.com';
   $email_subject = 'Email subject';
   
   // <<<EOD it is PHP heredoc syntax
   $email_body = <<<EOD
   This is your new <b style="color: red; font-style: italic;">password</b> : {$password}
   EOD;
   
   $headers = ['Content-Type: text/html; charset=UTF-8'];
   
   $send_mail = wp_mail( $email_to, $email_subject, $email_body, $headers );
   

   More about PHP heredoc syntax https://www.php.net/manual/en/language.types.string.php#language.types.string.syntax.heredoc

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5. Use ob_start, because this will allow you to use WP variables/functions like bloginfo etc.

   make a PHP file and paste your HTML in that file(use wp variables inside that php file if needed).

   Use the below code:

    $to = 'Email Address';
    $subject = 'Your Subject';
   
    ob_start();
    include(get_stylesheet_directory() . '/email-template.php');//Template File Path
    $body = ob_get_contents();
    ob_end_clean();
   
    $headers = array('Content-Type: text/html; charset=UTF-8','From: Test <test@test.com>');
    wp_mail( $to, $subject, $body, $headers );
   

   this will keep your code clean and due to ob_start we will also save the time of loading the file.

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