悠悠博客 (讨论区存档) — 技术永无止尽，未来事在人为

大家帮忙看下mail 大量的连接是怎么回事?

邮件服务器今天出现了很多的NOQUEUE,
Jul  2 00:54:10 mail postfix/smtpd[20577]: NOQUEUE: reject: RCPT from u46020.koalanet.ne.jp[219.124.250.20]: 501 <???i.koalanet.ne.jp>: Helo c
Jul  2 00:54:10 mail postfix/smtpd[20577]: NOQUEUE: reject: RCPT from u46020.koalanet.ne.jp[219.124.250.20]: 501 <???i.koalanet.ne.jp>: Helo c
Jul  2 00:54:10 mail postfix/smtpd[20577]: NOQUEUE: reject: RCPT from u46020.koalanet.ne.jp[219.124.250.20]: 501 <???i.koalanet.ne.jp>: Helo c
Jul  2 00:54:10 mail postfix/smtpd[20577]: NOQUEUE: reject: RCPT from u46020.koalanet.ne.jp[219.124.250.20]: 501 <???i.koalanet.ne.jp>: Helo c
Jul  2 00:54:10 mail postfix/smtpd[20577]: NOQUEUE: reject: RCPT from u46020.koalanet.ne.jp[219.124.250.20]: 501 <???i.koalanet.ne.jp>: Helo c
Jul  2 00:54:10 mail postfix/smtpd[20577]: NOQUEUE: reject: RCPT from u46020.koalanet.ne.jp[219.124.250.20]: 501 <???i.koalanet.ne.jp>: Helo c
Jul  2 00:54:10 mail postfix/smtpd[20577]: NOQUEUE: reject: RCPT from u46020.koalanet.ne.jp[219.124.250.20]: 501 <???i.koalanet.ne.jp>: Helo c
Jul  2 00:54:10 mail postfix/smtpd[20577]: NOQUEUE: reject: RCPT from u46020.koalanet.ne.jp[219.124.250.20]: 501 <???i.koalanet.ne.jp>: Helo c
Jul  2 00:54:10 mail postfix/smtpd[20577]: NOQUEUE: reject: RCPT from u46020.koalanet.ne.jp[219.124.250.20]: 501 <???i.koalanet.ne.jp>: Helo c
Jul  2 00:54:11 mail postfix/smtpd[20577]: lost connection after DATA from u46020.koalanet.ne.jp[219.124.250.20]
Jul  2 00:54:11 mail postfix/smtpd[20577]: lost connection after DATA from u46020.koalanet.ne.jp[219.124.250.20]
Jul  2 00:54:11 mail postfix/smtpd[20577]: disconnect from u46020.koalanet.ne.jp[219.124.250.20]
谢谢了...