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Deaktiviere und entferne ClamAV – ISPConfig 3 & Debian 7

If you use a mail-server with very low ram (< 500 MB) and a slow CPU then it might be necessary to disable the antivirus filter functions in ISPConfig 3 as amavisd and clamav might be too heavy for your server hardware. Here are the steps to disable clamav: 1. Edit /etc/amavis/conf.d/50-user end comment the following two lines

@bypass_virus_checks_maps = (
   \%bypass_virus_checks, \@bypass_virus_checks_acl, \$bypass_virus_checks_re);

it should look like this:

# @bypass_virus_checks_maps = (
#    \%bypass_virus_checks, \@bypass_virus_checks_acl, \$bypass_virus_checks_re);
 
@bypass_spam_checks_maps = (
   \%bypass_spam_checks, \@bypass_spam_checks_acl, \$bypass_spam_checks_re);

Notice that I didn’t disable SPAM check, disabling clamav was enough for me.

2. Restart amavis

service amavis restart

3. Stop clamav and freshclam

service clamav-daemon stop
service clamav-freshclam stop

4. Disable clamav and freshclam from running on boot:

update-rc.d -f clamav-daemon remove
update-rc.d -f clamav-freshclam remove
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