メールサーバー, 写真, 散歩, 鯖缶

スパムメール対策

メールlogに以下のようなものがずらり（一部加工してあります。）

Oct  7 08:53:08 dns2 postfix/smtpd[2463]: NOQUEUE: reject: RCPT from unknown[111.142.86.207]: * *****: ***** from=<mizuki_brothmiho7g@softbank.ne.jp> to=<il-dana@netjoy.ne.jp> proto=SMTP helo=<111.142.86.207>

Oct  7 08:53:08 dns2 postfix/smtpd[2463]: NOQUEUE: reject: RCPT from unknown[111.142.86.207]: * *****: ***** from=<mizuki_brothmiho7g@softbank.ne.jp> to=<nisimura@netjoy.ne.jp> proto=SMTP helo=<111.142.86.207>

Oct  7 08:53:08 dns2 postfix/smtpd[2463]: NOQUEUE: reject: RCPT from unknown[111.142.86.207]: * *****: ***** from=<mizuki_brothmiho7g@softbank.ne.jp> to=<saiga@netjoy.ne.jp> proto=SMTP helo=<111.142.86.207>

Oct  7 08:53:09 dns2 postfix/smtpd[2463]: NOQUEUE: reject: RCPT from unknown[111.142.86.207]: * *****: ***** from=<mizuki_brothmiho7g@softbank.ne.jp> to=<s-eriko@netjoy.ne.jp> proto=SMTP helo=<111.142.86.207>

Oct  7 08:53:09 dns2 postfix/smtpd[2463]: NOQUEUE: reject: RCPT from unknown[111.142.86.207]: * *****: ***** from=<mizuki_brothmiho7g@softbank.ne.jp> to=<sioux@netjoy.ne.jp> proto=SMTP helo=<111.142.86.207>

Oct  7 08:53:09 dns2 postfix/smtpd[2463]: NOQUEUE: reject: RCPT from unknown[111.142.86.207]: * *****: ***** from=<mizuki_brothmiho7g@softbank.ne.jp> to=<totarou@netjoy.ne.jp> proto=SMTP helo=<111.142.86.207>

Oct  7 08:53:09 dns2 postfix/smtpd[2463]: NOQUEUE: reject: RCPT from unknown[111.142.86.207]: * *****: ***** from=<mizuki_brothmiho7g@softbank.ne.jp> to=<ugao@netjoy.ne.jp> proto=SMTP helo=<111.142.86.207>

Oct  7 08:53:09 dns2 postfix/smtpd[2463]: NOQUEUE: reject: RCPT from unknown[111.142.86.207]: * *****: ***** from=<mizuki_brothmiho7g@softbank.ne.jp> to=<kikk@netjoy.ne.jp> proto=SMTP helo=<111.142.86.207>

Oct  7 08:53:10 dns2 postfix/smtpd[2463]: NOQUEUE: reject: RCPT from unknown[111.142.86.207]: * *****: ***** from=<mizuki_brothmiho7g@softbank.ne.jp> to=<a.andrew-t@netjoy.ne.jp> proto=SMTP helo=<111.142.86.207>

Oct  7 08:53:10 dns2 postfix/smtpd[2463]: NOQUEUE: reject: RCPT from unknown[111.142.86.207]: * *****: ***** from=<mizuki_brothmiho7g@softbank.ne.jp> to=<ab-kom@netjoy.ne.jp> proto=SMTP helo=<111.142.86.207>

Oct  7 08:53:10 dns2 postfix/smtpd[2463]: NOQUEUE: reject: RCPT from unknown[111.142.86.207]: * *****: ***** from=<mizuki_brothmiho7g@softbank.ne.jp> to=<against@netjoy.ne.jp> proto=SMTP helo=<111.142.86.207>

Oct  7 08:53:11 dns2 postfix/smtpd[2463]: NOQUEUE: reject: RCPT from unknown[111.142.86.207]: * *****: ***** from=<mizuki_brothmiho7g@softbank.ne.jp> to=<akky@netjoy.ne.jp> proto=SMTP helo=<111.142.86.207>

Oct  7 08:53:12 dns2 postfix/smtpd[2463]: NOQUEUE: reject: RCPT from unknown[111.142.86.207]: * *****: ***** from=<mizuki_brothmiho7g@softbank.ne.jp> to=<andrew-t@netjoy.ne.jp> proto=SMTP helo=<111.142.86.207>

Oct  7 08:53:13 dns2 postfix/smtpd[2463]: NOQUEUE: reject: RCPT from unknown[111.142.86.207]: * *****: ***** from=<mizuki_brothmiho7g@softbank.ne.jp> to=<aquaniya@netjoy.ne.jp> proto=SMTP helo=<111.142.86.207>

Oct  7 08:53:15 dns2 postfix/smtpd[2463]: NOQUEUE: reject: RCPT from unknown[111.142.86.207]: * *****: ***** from=<mizuki_brothmiho7g@softbank.ne.jp> to=<b_chan@netjoy.ne.jp> proto=SMTP helo=<111.142.86.207>

Oct  7 08:53:16 dns2 postfix/smtpd[2463]: NOQUEUE: reject: RCPT from unknown[111.142.86.207]: * *****: ***** from=<mizuki_brothmiho7g@softbank.ne.jp> to=<canndoh@netjoy.ne.jp> proto=SMTP helo=<111.142.86.207>

Oct  7 08:53:17 dns2 postfix/smtpd[2463]: NOQUEUE: reject: RCPT from unknown[111.142.86.207]: * *****: ***** from=<mizuki_brothmiho7g@softbank.ne.jp> to=<canondcs@netjoy.ne.jp> proto=SMTP helo=<111.142.86.207>

Oct  7 08:53:18 dns2 postfix/smtpd[2463]: NOQUEUE: reject: RCPT from unknown[111.142.86.207]: * *****: ***** from=<mizuki_brothmiho7g@softbank.ne.jp> to=<corn7546@netjoy.ne.jp> proto=SMTP helo=<111.142.86.207>

このアドレスを調べたところ

国家: 中国     都市: Beijing 部門: CHINA RAILWAY Internet(CRNET)

/16でまとめてフィルタリング、111.142.0.0/16

wordpressにもスパム書き込みがあったのでこのアドレス（220.161.102.33）を調べたら

福建CHINANET-FJ用户 【中国】これもまとめて/16でフィルタリングほとんどのスパムは中国ですね。

話は変わりますが今日の散歩の写真です