// amavis (Content Filter Settings)
/etc/amavisd/warden.conf
// amavisd-milter (Milter Settings)
/etc/sysconfig/amavisd-milter
// spamassassin (Anti-spam Settings)
/etc/mail/spamassassin/local.cf
// clamd scan deamon (Anti-virus Settings)
/etc/clamd.d/scan.conf
// clamav signature update (Anti-virus Signature Settings)
/etc/freshclam.conf
// dovecot (IMAP learning)
/etc/dovecot/conf.d/99-warden.conf
// amavis (Content Filter Settings)
/etc/amavis/conf.d/99-warden
// amavisd-milter (Milter Settings)
/etc/default/amavisd-milter
// spamassassin (Anti-spam Settings)
/etc/mail/spamassassin/local.cf
// clamd scan deamon (Anti-virus Settings)
/etc/clamav/clamd.conf
// clamav signature update (Anti-virus Signature Settings)
/etc/clamav/freshclam.conf
// dovecot (IMAP learning)
/etc/dovecot/conf.d/99-warden.conf