使用java mail链接gmail的相关配置

<property name="protocol" value="smtp"/>
        <property name="host" value="smtp.gmail.com"/>
        <property name="port" value="465"/>
        <property name="username" value=""/>
        <property name="password" value=""/>
        <property name="javaMailProperties">
            <props>
                <prop key="mail.transport.protocol">smtps</prop>
                <prop key="mail.smtps.host">smtp.gmail.com</prop>
                <prop key="mail.smtps.auth">true</prop>
                <prop key="mail.smtp.port">465</prop>
            </props>
        </property>