&reftitle.setup;
&reftitle.required; &no.requirement;
&reference.mailparse.configure;
&reftitle.runtime; &extension.runtime;

## Mailparse &ConfigureOptions;

&Name; | &Default; | &Changeable; | &Changelog;
mailparse.def_charset | "us-ascii" | PHP_INI_SYSTEM |

&ini.php.constants; &ini.descriptions.title;

`mailparse.def_charset` `string`

- The default character set.

&reftitle.resources;

Mailparse defines the resource type `mailparse_mail_structure`, which is returned by `mailparse_msg_create` and `mailparse_msg_parse_file`.