amavis Failes on Install issue

There is a problem that my friend and I fixed. We got this issue:

System: Ubuntu 18.04 LTS

Version: Mobodoa 1.19

Hit:1 https://repos.insights.digitalocean.com/apt/do-agent main InRelease
Hit:2 http://mirrors.digitalocean.com/ubuntu bionic InRelease
Hit:3 http://mirrors.digitalocean.com/ubuntu bionic-updates InRelease
Hit:4 http://security.ubuntu.com/ubuntu bionic-security InRelease
Hit:5 http://mirrors.digitalocean.com/ubuntu bionic-backports InRelease
Reading package lists...
Reading package lists...
Building dependency tree...
Reading state information...
sudo is already the newest version (1.8.21p2-3ubuntu1.1).
wget is already the newest version (1.19.4-1ubuntu2.2).
The following package was automatically installed and is no longer required:
  grub-pc-bin
Use 'sudo apt autoremove' to remove it.
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
1 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
Setting up amavisd-new (1:2.11.0-1ubuntu1.1) ...
Creating/updating amavis user account...
Job for amavis.service failed because the control process exited with error code.
See "systemctl status amavis.service" and "journalctl -xe" for details.
invoke-rc.d: initscript amavis, action "start" failed.
● amavis.service - LSB: Starts amavisd-new mailfilter
   Loaded: loaded (/etc/init.d/amavis; generated)
   Active: failed (Result: exit-code) since Sat 2019-12-07 02:43:40 UTC; 12ms ago
     Docs: man:systemd-sysv-generator(8)
  Process: 26633 ExecStart=/etc/init.d/amavis start (code=exited, status=1/FAILURE)

Dec 07 02:43:39 mail-server-yourdomain amavis[26633]: Starting amavisd: head: cannot open '/etc/mailname' for reading: No such file or directory
Dec 07 02:43:40 mail-server-yourdomain amavis[26633]:   The value of variable $myhostname is "mail-server-yourdomain", but should have been
Dec 07 02:43:40 mail-server-yourdomain amavis[26633]:   a fully qualified domain name; perhaps uname(3) did not provide such.
Dec 07 02:43:40 mail-server-yourdomain amavis[26633]:   You must explicitly assign a FQDN of this host to variable $myhostname
Dec 07 02:43:40 mail-server-yourdomain amavis[26633]:   in /etc/amavis/conf.d/05-node_id, or fix what uname(3) provides as a host's
Dec 07 02:43:40 mail-server-yourdomain amavis[26633]:   network name!
Dec 07 02:43:40 mail-server-yourdomain amavis[26633]: (failed).
Dec 07 02:43:40 mail-server-yourdomain systemd[1]: amavis.service: Control process exited, code=exited status=1
Dec 07 02:43:40 mail-server-yourdomain systemd[1]: amavis.service: Failed with result 'exit-code'.
Dec 07 02:43:40 mail-server-yourdomainsystemd[1]: Failed to start LSB: Starts amavisd-new mailfilter.
dpkg: error processing package amavisd-new (--configure):
 installed amavisd-new package post-installation script subprocess returned error exit status 1
Errors were encountered while processing:
 amavisd-new
E: Sub-process /usr/bin/dpkg returned an error code (1)
Generating new certificate using letsencrypt
--2019-12-07 02:43:41--  https://dl.eff.org/certbot-auto
Resolving dl.eff.org (dl.eff.org)... 2a04:4e42:1e::201, 151.101.124.201
Connecting to dl.eff.org (dl.eff.org)|2a04:4e42:1e::201|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 71650 (70K) [application/octet-stream]
Saving to: ‘certbot-auto.1’

certbot-auto.1                                      100%[================================================================================================================>]  69.97K  --.-KB/s    in 0.001s

2019-12-07 02:43:41 (134 MB/s) - ‘certbot-auto.1’ saved [71650/71650]

Saving debug log to /var/log/letsencrypt/letsencrypt.log
Plugins selected: Authenticator standalone, Installer None
Cert not yet due for renewal
Keeping the existing certificate

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Certificate not yet due for renewal; no action taken.
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Installing amavis
Reading package lists...
Building dependency tree...
Reading state information...
libdbi-perl is already the newest version (1.640-1).
arc is already the newest version (5.21q-5).
arj is already the newest version (3.10.22-17).
cabextract is already the newest version (1.6-1.1).
libdbd-mysql-perl is already the newest version (4.046-1).
liblz4-tool is already the newest version (0.0~r131-2ubuntu3).
lrzip is already the newest version (0.631-1).
lzop is already the newest version (1.03-4).
p7zip-full is already the newest version (16.02+dfsg-6).
rpm2cpio is already the newest version (4.14.1+dfsg1-2).
unrar-free is already the newest version (1:0.0.1+cvs20140707-4).
amavisd-new is already the newest version (1:2.11.0-1ubuntu1.1).
The following package was automatically installed and is no longer required:
  grub-pc-bin
Use 'sudo apt autoremove' to remove it.
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
1 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
Setting up amavisd-new (1:2.11.0-1ubuntu1.1) ...
Creating/updating amavis user account...
Job for amavis.service failed because the control process exited with error code.
See "systemctl status amavis.service" and "journalctl -xe" for details.
invoke-rc.d: initscript amavis, action "start" failed.
● amavis.service - LSB: Starts amavisd-new mailfilter
   Loaded: loaded (/etc/init.d/amavis; generated)
   Active: failed (Result: exit-code) since Sat 2019-12-07 02:43:46 UTC; 12ms ago
     Docs: man:systemd-sysv-generator(8)
  Process: 26951 ExecStart=/etc/init.d/amavis start (code=exited, status=1/FAILURE)

Dec 07 02:43:45 mail-server-yourdomain amavis[26951]: Starting amavisd: head: cannot open '/etc/mailname' for reading: No such file or directory
Dec 07 02:43:46 mail-server-yourdomain amavis[26951]:   The value of variable $myhostname is "mail-server-yourdomain", but should have been
Dec 07 02:43:46 mail-server-yourdomain amavis[26951]:   a fully qualified domain name; perhaps uname(3) did not provide such.
Dec 07 02:43:46 mail-server-yourdomain amavis[26951]:   You must explicitly assign a FQDN of this host to variable $myhostname
Dec 07 02:43:46 mail-server-yourdomain amavis[26951]:   in /etc/amavis/conf.d/05-node_id, or fix what uname(3) provides as a host's
Dec 07 02:43:46 mail-server-yourdomain amavis[26951]:   network name!
Dec 07 02:43:46 mail-server-yourdomain amavis[26951]: (failed).
Dec 07 02:43:46 mail-server-yourdomain systemd[1]: amavis.service: Control process exited, code=exited status=1
Dec 07 02:43:46 mail-server-yourdomain systemd[1]: amavis.service: Failed with result 'exit-code'.
Dec 07 02:43:46 mail-server-yourdomain systemd[1]: Failed to start LSB: Starts amavisd-new mailfilter.
dpkg: error processing package amavisd-new (--configure):
 installed amavisd-new package post-installation script subprocess returned error exit status 1
Errors were encountered while processing:
 amavisd-new
E: Sub-process /usr/bin/dpkg returned an error code (1)
Failed to install dependencies

Just for future references if people have this problem we fixed it by editing the file under:

/etc/amavis/conf.d/05-node_id

We changed the code from:

# This file was automatically installed on 2019-12-07T03:53:33.896891
use strict;

# $myhostname is used by amavisd-new for node identification, and it is
# important to get it right (e.g. for ESMTP EHLO, loop detection, and so on).

# chomp($myhostname = `hostname --fqdn`);

# To manually set $myhostname, edit the following line with the correct Fully
# Qualified Domain Name (FQDN) and remove the # at the beginning of the line.
#
#$myhostname = "sample-domain-was-here";

1;  # ensure a defined return

to

# This file was automatically installed on 2019-12-07T03:53:33.896891
use strict;

# $myhostname is used by amavisd-new for node identification, and it is
# important to get it right (e.g. for ESMTP EHLO, loop detection, and so on).

# chomp($myhostname = `hostname --fqdn`);

# To manually set $myhostname, edit the following line with the correct Fully
# Qualified Domain Name (FQDN) and remove the # at the beginning of the line.
#
$myhostname = "mail.yourdomain.com";

1;  # ensure a defined return

[arkhi]

Thank you very much for this feedback!

It’s a treat to find the solution to one’s problem right away.

[stale[bot]]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.