Hostnames and reverse PTR

December 28, 2013 7.6k views
Regarding Reverse PTR as configured on DO's dashboard, must the hostname of a Droplet match the domain hosted on it for emails to be sent successfully from the domain?
4 Answers
The hostname in the DigitalOcean control panel needs to (i) be formatted as a FQDN and (ii) match one of the domains (if more than one) hosted on the server.
Bummer! I think that's why I'm unable to send email.

Is there any way to change the hostname so it is reflected on the dashboard?
Yes. Simply log into your DigitalOcean Control Panel and:

1.) Click on your droplet;
2.) Select the Settings heading;
3.) Click on Rename.

Make sure to also create an A record with the FQDN you choose.

But what if you are hosting one server as email server for multiple domain? I cannot put multiple domain into 1 ip. What to do this case?

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