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Greylisting in postfix with postgrey
Instalation
Configuration
Report generation
zcat /var/log/maillog.0.gz | ./postgreyreport [options] > postgreyreport.log
or
zcat /var/log/maillog.0.gz | \ ./postgreyreport --nosingle_line --check_sender=mx,a \ --separate_by_subnet=":==================\n"
