I've got a relatively-new ISPConfig 3 install using "Perfect Server CentOS with ISPConfig" that was working fine. I upgraded to PHP 5.3, but everything else is stock. Just today I updated my /etc/hosts file from Code: # Do not remove the following line, or various programs # that require network functionality will fail. 127.0.0.1 localhost.localdomain localhost 209.160.65.42 ns4.adlinea.net 209.160.20.169 ns5.adlinea.net 209.160.71.26 ns6.adlinea.net 209.160.71.33 ns7.adlinea.net ::1 localhost6.localdomain6 localhost6 to Code: # Do not remove the following line, or various programs # that require network functionality will fail. 127.0.0.1 localhost.localdomain localhost 209.160.65.42 ns4.adlinea.net ns4 sls-gc15p7.dca2.superbservers.com 209.160.20.169 sup3_169.adlinea.net sup3_169 209.160.71.26 sup3_26.adlinea.net sup3_26 209.160.71.33 new_superb.adlinea.net new_superb ::1 localhost6.localdomain6 localhost6 And I did a full-system update Code: yum update And now the Monitor page in ISPConfig shows a warning and it claims Code: SMTP-server: offline I've checked to make sure postfix is still running Code: [root@sls-gc15p7 log]# /etc/init.d/postfix status master (pid 2158) is running... and rebooted the machine, too. None of this works. ISPconfig's Monitor page still show SMTP-server offline. What should I check next? Output of netstat -tap Code: [root@sls-gc15p7 log]# netstat -tap Active Internet connections (servers and established) Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name tcp 0 0 *:imaps *:* LISTEN 2078/dovecot tcp 0 0 *:pop3s *:* LISTEN 2078/dovecot tcp 0 0 localhost.localdomain:10024 *:* LISTEN 2101/amavisd (maste tcp 0 0 localhost.localdomain:10025 *:* LISTEN 2158/master tcp 0 0 *:mysql *:* LISTEN 2049/mysqld tcp 0 0 *:submission *:* LISTEN 2158/master tcp 0 0 *:pop3 *:* LISTEN 2078/dovecot tcp 0 0 localhost.local:dyna-access *:* LISTEN 1961/clamd tcp 0 0 new_superb.adlinea.net:5711 *:* LISTEN 3088/pure-ftpd (IDL tcp 0 0 *:imap *:* LISTEN 2078/dovecot tcp 0 0 *:ftp *:* LISTEN 2194/pure-ftpd (SER tcp 0 0 *:smtp *:* LISTEN 2158/master tcp 0 0 localhost.localdomain:57698 localhost.localdomain:mysql ESTABLISHED 2172/amavisd (ch2-a tcp 0 0 localhost.localdomain:41856 localhost.localdomain:mysql ESTABLISHED 2173/amavisd (ch1-a tcp 0 0 sup3_26.adlinea.net:imap bda-74-82-81-208.bis6:33358 ESTABLISHED 2425/imap tcp 0 0 localhost.localdomain:mysql localhost.localdomain:57698 ESTABLISHED 2049/mysqld tcp 0 0 localhost.localdomain:mysql localhost.localdomain:41856 ESTABLISHED 2049/mysqld tcp 70 0 localhost.localdomain:45607 localhost.localdomain:10025 CLOSE_WAIT 2173/amavisd (ch1-a tcp 0 0 ns4.adlinea.net:37350 wordpress.com:http TIME_WAIT - tcp 0 0 ns4.adlinea.net:37351 wordpress.com:http TIME_WAIT - tcp 0 0 new_superb.adlinea.net:ftp pool-96-248-6-85.rcmd:52110 ESTABLISHED 3088/pure-ftpd (IDL tcp 0 0 *:imaps *:* LISTEN 2078/dovecot tcp 0 0 *:pop3s *:* LISTEN 2078/dovecot tcp 0 0 *:pop3 *:* LISTEN 2078/dovecot tcp 0 0 *:imap *:* LISTEN 2078/dovecot tcp 0 0 *:webcache *:* LISTEN 2178/httpd tcp 0 0 *:http *:* LISTEN 2178/httpd tcp 0 0 *:tproxy *:* LISTEN 2178/httpd tcp 0 0 *:ftp *:* LISTEN 2194/pure-ftpd (SER tcp 0 0 *:ssh *:* LISTEN 1947/sshd tcp 0 0 *:https *:* LISTEN 2178/httpd tcp 0 3312 ns4.adlinea.net:ssh pool-96-248-6-85.rcmd:49766 ESTABLISHED 2387/0 tcp 0 0 new_superb.adlinea.net:http msnbot-207-46-195-107:63002 TIME_WAIT - tcp 0 0 sup3_26.adlinea.net:http b3091083.crawl.yahoo.:52701 TIME_WAIT - tcp 0 0 new_superb.adlinea.net:http b3091020.crawl.yahoo.:60410 TIME_WAIT - tcp 0 4281 new_superb.adlinea.net:http ::ffff:119.63.196.39:65418 FIN_WAIT1 -
Obsolete I am confusing errors and config from two nearly-identical servers. Please ignore this particular thread.