系统:rhel 5.2 32位
邮件系统:postfix+courier-authlib+courier-imap+extman
问题描述:
程序后台是ecshop ,里面有个发邮件功能,已经填写了正确的邮件地址,发一份邮件大概需要十秒时间。通过telnet 命令
登陆到邮件服务器,发现:
Escape character is '^]'.
220 test.cn ESMTP Mail System
220 test.cn这一行,需要四五秒才能出来,已关闭反向域名解析。
日志中,经常有这样的提示:
Nov 3 18:25:30 manager postfix/smtpd[19751]: connect from unknown[121.1.16.5]
Nov 3 18:25:30 manager postfix/smtpd[19751]: lost connection after EHLO from unknown[121.1.16.5]
Nov 3 18:25:30 manager postfix/smtpd[19751]: disconnect from unknown[121.1.16.5]
Nov 3 18:25:46 manager postfix/smtpd[19751]: connect from unknown[121.101.216.5]
Nov 3 18:25:46 manager postfix/smtpd[19751]: lost connection after EHLO from unknown[121.1.16.5]
Nov 3 18:25:46 manager postfix/smtpd[19751]: disconnect from unknown[121.1.16.5]
Nov 3 18:26:05 manager postfix/smtpd[19751]: connect from unknown[121.1.16.5]
Nov 3 18:26:05 manager postfix/smtpd[19751]: lost connection after EHLO from unknown[121.1.16.5]
Nov 3 18:26:05 manager postfix/smtpd[19751]: disconnect from unknown[121.1.16.5]
Nov 3 18:26:51 manager postfix/smtpd[19751]: connect from unknown[121.1.16.5]
Nov 3 18:26:51 manager postfix/smtpd[19751]: lost connection after EHLO from unknown[121.1.16.5]
Nov 3 18:26:51 manager postfix/smtpd[19751]: disconnect from unknown[121.1.16.5]
Nov 3 18:26:55 manager postfix/smtpd[19863]: timeout after RCPT from unknown[218.79.82.227]
Nov 3 18:26:55 manager postfix/smtpd[19863]: disconnect from unknown[218.79.82.227]
Nov 3 18:27:05 manager postfix/pickup[17600]: 15F053FE0A3: uid=0 from=<root>