OpenDKIM 密钥数据被视为不安全
电子邮件未发送,并被 Postfix 记录,并出现以下错误 default._domainkey.example.ws: key data is not secure: /etc/opendkim/keys/example.ws/default.private is in group 124 which has multiple users (e.g., "postfix") [...] milter-reject: END-OF-MESSAGE from localhost[127.0.0.1]: 4.7.1 Service unavailable ...