| Linode Forum https://forum.linode.com/ |
|
| Send Mail But Can't Receive https://forum.linode.com/viewtopic.php?f=11&t=10535 |
Page 1 of 1 |
| Author: | indeepblue [ Sun Oct 20, 2013 9:08 am ] |
| Post subject: | Send Mail But Can't Receive |
Hello, I have ubuntu 12.04 + postfix + dovecot + mysql + roundcube installed. Now i can send email but i can't receive any email. Anybody can help me? Regards |
|
| Author: | indeepblue [ Sun Oct 20, 2013 9:41 am ] |
| Post subject: | Re: Send Mail But Can't Receive |
More information; I can't telnet any port and ip. SMTP Connect Failed To Connect More Info Session Transcript: Connecting to 212.71.237.105 10/20/2013 8:38:56 AM Connection attempt #1 - Unable to connect after 15 seconds. [15.04 sec] |
|
| Author: | Main Street James [ Sun Oct 20, 2013 10:15 am ] |
| Post subject: | Re: Send Mail But Can't Receive |
Run this command: Code: # netstat -tulpn Look for processes listening on port 25. Have you blocked ports via your firewall? |
|
| Author: | indeepblue [ Sun Oct 20, 2013 12:32 pm ] |
| Post subject: | Re: Send Mail But Can't Receive |
I'm not sure if i blocked or not. Active Internet connections (only servers) Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name tcp 0 0 127.0.0.1:3306 0.0.0.0:* LISTEN 2645/mysqld tcp 0 0 0.0.0.0:110 0.0.0.0:* LISTEN 14208/dovecot tcp 0 0 0.0.0.0:143 0.0.0.0:* LISTEN 14208/dovecot tcp 0 0 0.0.0.0:21 0.0.0.0:* LISTEN 26768/vsftpd tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 9482/sshd tcp 0 0 0.0.0.0:25 0.0.0.0:* LISTEN 14663/master tcp 0 0 0.0.0.0:993 0.0.0.0:* LISTEN 14208/dovecot tcp 0 0 0.0.0.0:995 0.0.0.0:* LISTEN 14208/dovecot tcp6 0 0 :::110 :::* LISTEN 14208/dovecot tcp6 0 0 :::143 :::* LISTEN 14208/dovecot tcp6 0 0 :::80 :::* LISTEN 11856/apache2 tcp6 0 0 :::22 :::* LISTEN 9482/sshd tcp6 0 0 :::25 :::* LISTEN 14663/master tcp6 0 0 :::993 :::* LISTEN 14208/dovecot tcp6 0 0 :::995 :::* LISTEN 14208/dovecot udp 0 0 0.0.0.0:68 0.0.0.0:* 2384/dhclient3 udp 0 0 212.71.237.105:123 0.0.0.0:* 2816/ntpd udp 0 0 127.0.0.1:123 0.0.0.0:* 2816/ntpd udp 0 0 0.0.0.0:123 0.0.0.0:* 2816/ntpd udp6 0 0 2a01:7e00::f03c:91f:123 :::* 2816/ntpd udp6 0 0 fe80::f03c:91ff:fed:123 :::* 2816/ntpd udp6 0 0 ::1:123 :::* 2816/ntpd udp6 0 0 :::123 :::* 2816/ntpd |
|
| Author: | indeepblue [ Sun Oct 20, 2013 12:33 pm ] |
| Post subject: | Re: Send Mail But Can't Receive |
iptables -L Chain INPUT (policy ACCEPT) target prot opt source destination fail2ban-ssh tcp -- anywhere anywhere multiport dports ssh ACCEPT all -- anywhere anywhere REJECT all -- anywhere 127.0.0.0/8 reject-with icmp-port-unreachable ACCEPT all -- anywhere anywhere state RELATED,ESTABLISHED ACCEPT tcp -- anywhere anywhere tcp dpt:http ACCEPT tcp -- anywhere anywhere tcp dpt:https ACCEPT tcp -- anywhere anywhere state NEW tcp dpt:ssh ACCEPT icmp -- anywhere anywhere LOG all -- anywhere anywhere limit: avg 5/min burst 5 LOG level debug prefix "iptables denied: " DROP all -- anywhere anywhere Chain FORWARD (policy ACCEPT) target prot opt source destination DROP all -- anywhere anywhere Chain OUTPUT (policy ACCEPT) target prot opt source destination ACCEPT all -- anywhere anywhere Chain fail2ban-ssh (1 references) target prot opt source destination RETURN all -- anywhere anywhere |
|
| Page 1 of 1 | All times are UTC-04:00 |
| Powered by phpBB® Forum Software © phpBB Group http://www.phpbb.com/ |
|