From: ldo@nz.invalid   
      
   On Tue, 18 Nov 2025 15:27:01 +0000, The Natural Philosopher wrote:   
      
   > Seriously,m its not the server, its the DNS.   
      
   What are you running as your DNS server?   
      
   > Nov 18 10:46:57 heating-controller postfix/smtp[10457]: CC05B1F270:   
   > to=, relay=none, delay=0.38,   
   > delays=0.19/0.14/0.04/0, dsn=4.4.3, status=deferred (Host or domain   
   > name not found. Name service error for name=vps.templar.co.uk   
   > type=MX: Host not found, try again)   
      
   You could try doing a lookup (using host or dig) to your DNS server   
   from the Raspberry pi at the same time as the MTA is reporting   
   problems, and see if your manual query reports the same problem.   
      
   Does your /etc/resolv.conf contain the right info? Is it a symlink to   
   somewhere else?   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)