独脚数卡配置了yandex邮件发不了邮件？
测试显示
Expected response code 250 but got code "554", with message "554 5.7.1 Message rejected under suspicion of SPAM; https://ya.cc/1IrBc 1708302975-CaDPuBrOniE0-9WUfrSbJ "

恭喜你踩到坑了，大鹅的邮箱的免费版都不支持发送订单等商业内容邮件~

用它的客户端发都要验证码  你觉得第三方能发？