Outbound mail to blocked: Spamhaus “open resolver” return code – need help with YunoHost DNS/Rspamd setup

[jarod5001]

@AT69

ports 53 and 5353

Let them closed unless you are at home, using Adguard home and these ports are closed on your router. They are not meant to be publicly open.

Have a good read :

Why are ports 53 and 5353 opened?

My YunoHost server Hardware: computer YunoHost version: 4.0.8 I have access to my server : Through SSH, through the webadmin Are you in a special context or did you perform some particular tweaking on your YunoHost instance ? : yes If yes, please explain: yunohost is running in a VM Description of my issue I noticed that in my yunohost the ports 53 and 5353 are open. Searching online, I found that those ports are usually used for DNS and Multicast DNS respectively. I didn’t see any info a…

What is Port 5353? Uses, Security Risks, and How to Manage It