sa-compile update fails on Plesk server with Plesk Email Security: dpkg: error processing package sa-compile (–configure)

Symptoms

• sa-compile package on a Plesk server with Plesk Email Security fails to update:

  sa-compile:not compiling ; 'spamassassin --lint' check failed! dpkg: error processing package sa-compile (--configure)

• The following errors are found in /var/log/plesk/install/autoinstaller3.log:

  Setting up sa-compile (3.4.2-1~deb9u3) ...
  Running sa-compile (may take a long time)
  Mar 25 16:25:26.226 [14869] info: config: failed to parse line, skipping, in "/etc/spamassassin/local.cf": use_auto_whitelist 1
  Mar 25 16:25:26.226 [14869] info: config: failed to parse line, skipping, in "/etc/spamassassin/local.cf": auto_whitelist_factory Mail::SpamAssassin::SQLBasedAddrList
  Mar 25 16:25:26.227 [14869] info: config: failed to parse line, skipping, in "/etc/spamassassin/local.cf": user_awl_dsn DBI:mysql:emailsecurity:localhost
  Mar 25 16:25:26.227 [14869] info: config: failed to parse line, skipping, in "/etc/spamassassin/local.cf": user_awl_sql_username ************
  Mar 25 16:25:26.227 [14869] info: config: failed to parse line, skipping, in "/etc/spamassassin/local.cf": user_awl_sql_password ********************

• The following messages are received from cron each hour:

  run-parts: /etc/cron.hourly/imunify360-php-i360-rules exited with return code 100

Cause

SpamAssassin plugin required by Plesk Email Security is disabled by default. This issue is registered as a bug with ID EXTCERT-3364 and will be addresses in one of the future updates.

Resolution

Until the bug is fixed, enable the plugin manually using the following steps:

1. Connect to the server via SSH.

2. Enable the plugin:

   # sed -i.BAK ‘/Plugin::AWL/s/^#//g’ /etc/spamassassin/v310.pre

3. Restart spamassassin:

   # service spamassassin restart

4. Reconfigure spamassassin:

   # spamassassin –lint

5. Update packages:

   # apt update && apt upgrade