80 Mailcow Host Or Domain Name Not Found New

Cannot find your reverse hostname censcored.

Mailcow host or domain name not found. I finished today installing mailcow and when testing delivery i found that all containers other then unbound do not have working dns. It s basically a dns resolver that sends you responses based upon the fact if a ip address is blocked or not. Also if you change this value you must restart postfix not just reload.

Important changes for all cows. Here are others results. It s not the connection that fails but the dns lookup that precedes it.

By default which means 0 domains are added to mailcow it will try to obtain a certificate for mailcow hostname. 450 4 7 1 client host rejected. When i have inet protocols all it does not attempt an a lookup if an aaaa lookup fails which seems pointless.

We sponsored some changes to sogo including html5 notifications and as you may have seen new folder indicator icons. With a host not found try again it could mean that your server is having dns resolution issues or postfix itself is having dns resolution issues. Depending on the answer the server decides if it s going to accept the message or not.

It seems the dns option is not being taken into account and all instances have the dns set to 127 0 0. If it succeeds a name will be added as san to the certificate request. Synchro feb 26 15 at 11 51.

Please contact me if you want to share your spam with mailcow info servercow de. As for how to clear it up your question doesn t provide enough details on your base os or setup to give a succinct answer. I could not find the option to speci.