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Completely disable Amavisd + ClamAV + SpamAssassin


Check out the lightweight on-premises email archiving software developed by iRedMail team: Spider Email Archiver.

In iRedMail, Amavisd provides below features:

Stop virus/spam scanning, keep DKIM signing/verification and Disclaimer

If you want to disable virus and spam scanning, but keep DKIM signing and disclaimer, please try this:

# @bypass_virus_checks_maps = (1);  # controls running of anti-virus code
# @bypass_spam_checks_maps  = (1);  # controls running of anti-spam code

Uncomment above lines (removing "# " at the beginning of each line), and restart Amavisd service.

You may want to stop and disable ClamAV service, then remove clamav packages since it's not called by Amavisd or other programs anymore:


On Linux system with systemd support, you can keep the packages but mask the clamav service to prevent it started by other applications with command below:

# CentOS
systemctl mask clamd@amavisd

# Debian/Ubuntu
systemctl mask clamav-daemon clamav-freshclam
# CentOS
systemctl disable --now clamd@amavisd
systemctl restart amavisd
yum remove clamav clamav-lib

# Debian/Ubuntu
systemctl disable --now clamav-daemon
systemctl restart amavis
apt remove clamav-base

# FreeBSD
sysrc -f /etc/rc.conf.local clamd=no
service restart amavisd
pkg remove clamav

# OpenBSD
rcctl disable clamd
rcctl restart amavisd
pkg_delete clamav

Completely disable all features

If you want to completely disable spam and virus scanning services, steps:

content_filter = smtp-amavis:[]:10024
receive_override_options = no_address_mappings  # <- it's ok if you don't have this line
  -o content_filter=smtp-amavis:[]:10026


Update mailing list settings

mlmmj is configured to connect to port 10027 which is served by Amavisd for spam/virus scanning, you should update config files to tell mlmmj not to connect to this port anymore.

MLMMJ_DEFAULT_PROFILE_SETTINGS.update({'smtp_port': 10027})