探索

找到 20 角色和集合.

sendmail 20 mail 14 system 10 postfix 8 networking 6 email 6 smtp 5 exim 3 relay 2 mailcatcher 2 mailhog 1 cgi 1 mailgraph 1 monitoring 1 web 1 antispam 1 dkim 1 raspberry 1 opendkim 1 pi 1 raspberrypi 1 msmtp 1 mta 1