Ignas

So I keep getting errors on mail service

2019-04-11 11:08:32  [2]	postfix/sendmail	fatal: bad string length 0 < 1: myhostname =	  
2019-04-11 11:04:10  [4]	postmulti	fatal: bad string length 0 < 1: myhostname =	  
2019-04-11 11:03:58  [30]	postfix/postmap	fatal: bad string length 0 < 1: myhostname =

Tibike8519

Nore sure where is 'system update', but log analyzer doesn't give any errors on saving.

Field is empty after save and sometimes mail service stops working, so I have to come backs here and enter hostname again and save.

Hi,

hostname -A returns empty. It is Debian 9.8 (Stretch) on XCP-NG (XEN based) virtualisation (not sure if that matter).

user@ferma:~$ hostname
ferma.devera.lt

user@ferma:~$ hostname -A

user@ferma:~$ cat /etc/hosts
127.0.0.1       localhost
127.0.1.1       ferma.devera.lt ferma
10.10.0.190     skandinavija.today mail.skandinavija.today svetaine.dk
# The following lines are desirable for IPv6 capable hosts
::1     localhost ip6-localhost ip6-loopback
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
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