Make envelope sender config work the same way for `mail()`` as it does for SMTP, preferring `Sender` over `sendmail_from` ini setting.
Make envelope sender config work the same way for `mail()`` as it does for SMTP, preferring `Sender` over `sendmail_from` ini setting.

jimjag/PHPMailer,nawawi/PHPMailer,nawawi/PHPMailer,jimjag/PHPMailer,PHPMailer/PHPMailer,PHPMailer/PHPMailer