On 3/21/2011 9:25 AM, lance raymond wrote: > I am close to having this production server in place and working, > running on CentOS 5 patch updated (thanks Steve). I have mysql working > nicely with dovecot, and can send mail using both squirrelmail and > roundcube but all outsite mail in is refused. An outside port scan > shows 25 as closed, and a netstat internal shows; > > Active Internet connections (only servers) > Proto Recv-Q Send-Q Local Address Foreign > Address State PID/Program name > tcp 0 0 0.0.0.0:3306 <http://0.0.0.0:3306> > 0.0.0.0:* LISTEN 18627/mysqld > tcp 0 0 127.0.0.1:25 <http://127.0.0.1:25> > 0.0.0.0:* LISTEN 2080/master > tcp 0 0 :::993 > :::* LISTEN 5001/dovecot > tcp 0 0 :::995 > :::* LISTEN 5001/dovecot > tcp 0 0 :::110 > :::* LISTEN 5001/dovecot > tcp 0 0 :::143 > :::* LISTEN 5001/dovecot > tcp 0 0 :::80 > :::* LISTEN 4401/httpd > tcp 0 0 :::22 > :::* LISTEN 2128/sshd > > When I telnet localhost 25 I get the postfix connect, outside I am > refused. Firewall is disabled, so it seems to be a postfix issue, > although looking above, it seems (I am not sure though) that the > 0.0.0.0:* should mean anyone right? Reading on what interfaces it > listens on, the main.cf <http://main.cf> does have; > intet_interfaces = all which is the only thing I have found so far. > > Also, running; > /ls -l /proc/2080 | grep exe > lrwxrwxrwx 1 root root 0 Mar 21 05:49 exe -> /usr/libexec/postfix/master > / > So am I looking at a server blocking 25, or is it postfix only listening > on the localhost? Thanks.
Possibly firewall? SELinux? Something upstream blocking it inbound? -Matt
