HELO/EHLO ãƒã‚§ãƒƒã‚¯ã«ã‚ˆã‚‹ spam æ‹’å¦ - BSDmad ã®æ—¥è¨˜æœ€è¿‘ postfix ã‚’ã„ã˜ã£ã¦ã„ã‚‹ã®ã§ã™ãŒã€HELO/EHLO ã§åä¹—ã£ã¦ãるホストåã«ã“ã¡ã‚‰ã®ãƒ›ã‚¹ãƒˆåã€IP アドレスをåä¹—ã‚‹ä¸å±Šãモノ(?)ã‚’æ‹’å¦ã™ã‚‹ã‚ˆã†ã«ã—ã¦ã¿ã¾ã—ãŸã€‚ /etc/postfix/main.cf smtpd_helo_restrictions=permit_mynetworks, check_helo_access hash:/etc/postfix/helo_access /etc/postfix/helo_access example.jp REJECT mx.example.jp REJECT 192.168.0.1 REJECT ãã‚“ãªã«å¤šãã¯ãªã„ã®ã§ã™ãŒã€ãã“ãã“ spam ã‚’æ‹’å¦ã§ãるよã†ã«ãªã‚Šã¾ã—ãŸã€‚ Feb 12 12:53:42 hoge postfix/smtpd[2071]: NOQUEUE: reject: RCPT from unknown
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