Portál AbcLinuxu, 19. července 2025 16:57
sh -c 'nejakytest $PROMENNA \ && echo "451 takle ne" \ || exec /var/qmail/bin/qmail-smtpd'kdyby ovsem se informace z obalky nejak dostaly do promenne $PROMENNA ...
$ dig -t a 78.233.85.193.relays.ordb.org @f.ns.ordb.org ... 78.233.85.193.relays.ordb.org. 300 IN A 127.0.0.2 ... $ dig -t txt 78.233.85.193.relays.ordb.org @f.ns.ordb.org ... 78.233.85.193.relays.ordb.org. 300 IN TXT "This mail was handled by an open relay - please visit http://ORDB.org/lookup/?host=193.85.233.78" ...nejak takle to dela
/usr/local/bin/rblsmtpd -r nigeria.blackholes.us \ -r relays.ordb.org /var/qmail/bin/qmail-smtpds pouzitim rbldns se da snadno udelat i vlastni blacklist.
smtpd_delay_reject
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