wrong property name encoding for mailSender

email sender setup --hostServer xxx --encoding xxx --protocol xxx --port xxx --username xxx --password xxx

<bean class="org.springframework.mail.javamail.JavaMailSenderImpl" id="mailSender">
        <property name="host" value="${email.host}"/>
        <property name="port" value="${email.port}"/>
        <property name="encoding" value="${email.encoding}"/>
        <property name="username" value="${email.username}"/>
        <property name="password" value="${email.password}"/>
</bean>