Guides about ptr
- Reverse DNS (PTR) for your server's IP address A PTR record maps your IP address back to a name. Mail servers check it, so set it to a host name that points back to the same address. Beginner 8 min
- Emails going to spam? Fix SPF, DKIM, DMARC and reverse DNS Receiving servers decide in seconds whether to trust your mail. These checks show what they see and how to fix each gap. Intermediate 15 min