我今天注册的还是直接进 gmail 垃圾箱
spf=none (google.com: **UUID_REDACATED**@send.2libra.com does not designate permitted sender hosts) smtp.mailfrom=**UUID_REDACATED**@send.2libra.com;
站点的 SPF 记录应该放在 send.2libra.com 下,而不是放在 2libra.com 下
send.2libra.com
2libra.com