为通过 Google Apps SMTP 服务器发送电子邮件的 VPS 配置 SPF、DKIM、反向 DNS
今天我们发现,所有发送到 类型的电子邮件地址的电子邮件<username>@corporatedomain.com都被拒绝了。我不知道谁在托管电子邮件corporatedomain.com。我认为这不重要。无论如何,我们收到的错误是 Technical details of permanent failure: Google tried to deliver your message, but it was rejected by the server for the recipient domain example.com by mail.e...