# Correct rDNS setup for mail-domain
**URL:** https://forum.yunohost.org/t/correct-rdns-setup-for-mail-domain/23075
**Category:** Advanced use case
**Tags:** reverse-dns, mail, dns, english
**Created:** [January 12, 2023, 1:13pm UTC](https://forum.yunohost.org/t/correct-rdns-setup-for-mail-domain/23075 "2023-01-12T13:13:17Z")
**Posts on this page:** 6
**Page:** 1
### Author:  [@samuel-ynh](https://forum.yunohost.org/u/samuel-ynh)
#### Post date: [January 12, 2023, 1:13pm UTC](https://forum.yunohost.org/t/correct-rdns-setup-for-mail-domain/23075/1 "2023-01-12T13:13:18Z")
Hi there,
I have a question regarding the correct configuration of rDNS.
yunohost is running on a subdomain ([yunohost.example.com](http://yunohost.example.com)) on a VPS, but manages the mails for the main domain ([example.com](http://example.com), which is running on my home server).
I achieved this by setting up DNS-entries.
MX for [example.com](http://example.com) points to [yunohost.example.com](http://yunohost.example.com)
I’m writing and receiving mails from addresses in the form of \*@example.com.
Now I’m unsure, how my rDNS entry should look like. Should the IP-Adress be solved to [example.com](http://example.com) or to [yunohost.example.com](http://yunohost.example.com)?
Any help is very much appreciated, and I’m happy to provide more information if necessary.
Samuel
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### Author:  [@samuel-ynh](https://forum.yunohost.org/u/samuel-ynh)
#### Post date: [January 26, 2023, 8:00am UTC](https://forum.yunohost.org/t/correct-rdns-setup-for-mail-domain/23075/2 "2023-01-26T08:00:16Z")
Hi there,
I think I found the solution, as this question is not really yunohost-specific.
>
The reverse dns entry should be for the mail subdomain, even if this domain is capable of receiving and sending mails for the main domain.
Best regards!
Samuel
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### Author:  [@oli\_arborum](https://forum.yunohost.org/u/oli_arborum)
#### Post date: [January 5, 2026, 10:26am UTC](https://forum.yunohost.org/t/correct-rdns-setup-for-mail-domain/23075/3 "2026-01-05T10:26:59Z")
Hi @samuel-ynh,
is this setup to have a mail-only domain still supported in YNH 12.x? To me it seems, that adding a domain [example.com](http://example.com) to YNH the SSO now always redirects from [yunohost.example.com](http://yunohost.example.com) to [example.com](http://example.com) which will fail when YNH does not run its httpd on [example.com](http://example.com)…
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### Author:  [@samuel-ynh](https://forum.yunohost.org/u/samuel-ynh)
#### Post date: [January 5, 2026, 1:00pm UTC](https://forum.yunohost.org/t/correct-rdns-setup-for-mail-domain/23075/4 "2026-01-05T13:00:36Z")
It’s still possible, but requires some work:
> [@Yunohost on Subdomain, Mail on main domain](http://forum.yunohost.org/t/yunohost-on-subdomain-mail-on-main-domain/21935/):
>
> My setup is described in this post: [Yunohost on Subdomain, Mail on main domain - #4 by samuel-ynh](https://forum.yunohost.org/t/mail-on-main-domain-yunohost-on-subdomain/21935/4) Hi there, I have a question to get yunohost running. I’m hosting a fairly big nextcloud instance on my homeserver. which has its own domain (ex. mydomain.org). I would love to use yunohost, to manage mails on mydomain.org and access the nextcloud on [mydomain.org](http://mydomain.org). Right now yunohost runs on a vps and should be accessible under yunohost.mydomain.org. Can I achieve to manage mails through yunohos…
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### Author:  [@oli\_arborum](https://forum.yunohost.org/u/oli_arborum)
#### Post date: [January 5, 2026, 8:51pm UTC](https://forum.yunohost.org/t/correct-rdns-setup-for-mail-domain/23075/5 "2026-01-05T20:51:13Z")
Thanks, that helped me a lot!
Maybe the symlink is no more necessary according to the release notes of YNH 12.1… I’ll check!
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### Author:  [@samuel-ynh](https://forum.yunohost.org/u/samuel-ynh)
#### Post date: [January 8, 2026, 8:21am UTC](https://forum.yunohost.org/t/correct-rdns-setup-for-mail-domain/23075/6 "2026-01-08T08:21:48Z")
Good to hear, the writeup helped you!
If the symlink isn’t neccessary anymore, I would love to hear about it, to update the post.