I have configured DKIM and amazon's default spf. but can't get emails using Amazon Send, do I have to configure a custom domain name here for this to work, I'd like to get a definitive conclusion!

我配置了 DKIM 和 amazon 的默认 spf。但无法使用 Amazon Send 获取电子邮件，则可以发送配置的单个电子邮件