redmine 2.5.2 安装后邮件无法发送
找到redmine安装目录-apps->redmine->htdocs->conflg->configuration.yml
email_delivery:
delivery_method: :smtp
smtp_settings:
address: smtp.163.com
port: 25
domain: smtp.163.com
authentication: :plain
user_name: XXXX@163.com
password: 111111