app/Config/Email.php

@@ -12,7 +12,7 @@ class Email extends BaseConfig
 
     public string $fromName = 'Castopod';
 
-    public string $recipients;
+    public string $recipients = '';
 
     /**
      * The "user agent"
@@ -30,7 +30,7 @@ class Email extends BaseConfig
     public string $mailPath = '/usr/sbin/sendmail';
 
     /**
-     * SMTP Server Address
+     * SMTP Server Hostname
      */
     public string $SMTPHost = '';
 
@@ -60,7 +60,11 @@ class Email extends BaseConfig
     public bool $SMTPKeepAlive = false;
 
     /**
-     * SMTP Encryption. Either tls or ssl
+     * SMTP Encryption.
+     *
+     * @var string '', 'tls' or 'ssl'. 'tls' will issue a STARTTLS command
+     *             to the server. 'ssl' means implicit SSL. Connection on port
+     *             465 should set this to ''.
      */
     public string $SMTPCrypto = 'tls';
 
@@ -77,7 +81,7 @@ class Email extends BaseConfig
     /**
      * Type of mail, either 'text' or 'html'
      */
-    public string $mailType = 'text';
+    public string $mailType = 'html';
 
     /**
      * Character set (utf-8, iso-8859-1, etc.)

app/Config/ForeignCharacters.php

@@ -6,6 +6,9 @@ namespace Config;
 
 use CodeIgniter\Config\ForeignCharacters as BaseForeignCharacters;
 
+/**
+ * @immutable
+ */
 class ForeignCharacters extends BaseForeignCharacters
 {
 }