diff --git a/docs/references/selfhosting.md b/docs/references/selfhosting.md index 47b6f4dbf..d91578d0b 100644 --- a/docs/references/selfhosting.md +++ b/docs/references/selfhosting.md @@ -319,17 +319,25 @@ If you are unable to connect, verify the following: ## Mail -Spammers frequently abuse EC2 public IP addresses and as a result your Cloudron might possibly start out with a bad -reputation. The good news is that most IP based blacklisting services cool down over time. The Cloudron -sets up DNS entries for SPF, DKIM, DMARC automatically and reputation should be easy to get back. +Your server's IP plays a big role in how emails from our Cloudron get handled. Spammers frequently abuse public IP addresses +and as a result your Cloudron might possibly start out with a bad reputation. The good news is that most IP based +blacklisting services cool down over time. The Cloudron sets up DNS entries for SPF, DKIM, DMARC automatically and +reputation should be easy to get back. + +### Checklist + +* Once your Cloudron is ready, setup a Reverse DNS PTR record to be setup for the `my` subdomain. + + * For AWS/EC2, you can find the request form [here](https://aws-portal.amazon.com/gp/aws/html-forms-controller/contactus/ec2-email-limit-rdns-request. + + * For Digital Ocean this is automatic. Digital Ocean sets up a PTR record based on the droplet's name. For this reason, it is important that you do not rename your server and keep it at `my.`. -* Once your Cloudron is ready, apply for a Reverse DNS record to be setup for your domain. You can find the AWS request -form [here](https://aws-portal.amazon.com/gp/aws/html-forms-controller/contactus/ec2-email-limit-rdns-request). * Check if your IP is listed in any DNSBL list [here](http://multirbl.valli.org/). In most cases, you can apply for removal of your IP by filling out a form at the DNSBL manager site. -* Finally, check your spam score at [mail-tester.com](https://www.mail-tester.com/). +* Finally, check your spam score at [mail-tester.com](https://www.mail-tester.com/). The Cloudron should get 100%, if not please let +us know. ## Debugging