On Mon, Oct 18, 2010 at 01:46, Ryan Wagoner rswagoner@gmail.com wrote:
You will want to check your DNS and try to telnet to the server. If your server is behind NAT or you run split-dns it would be advisable to try it from another connection.
dig mx yourdomain.com telnet smtp.yourdomain.com 25
Of course if your mx record points to something other than smtp.yourdomain.com you will want to use that instead.
Thanks, Ryan. The MX record looks fine, but telnet won't connect:
✈dcl:~$ dig mx sharingcenter.eu
; <<>> DiG 9.7.1-P2 <<>> mx sharingcenter.eu ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 22263 ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 1
;; QUESTION SECTION: ;sharingcenter.eu. IN MX
;; ANSWER SECTION: sharingcenter.eu. 86400 IN MX 10 mail.sharingcenter.eu.
;; AUTHORITY SECTION: sharingcenter.eu. 86400 IN NS ns2.sharingcenter.eu. sharingcenter.eu. 86400 IN NS ns1.sharingcenter.eu.
;; ADDITIONAL SECTION: mail.sharingcenter.eu. 86400 IN A 178.63.65.136
;; Query time: 88 msec ;; SERVER: 212.150.49.10#53(212.150.49.10) ;; WHEN: Mon Oct 18 21:52:25 2010 ;; MSG SIZE rcvd: 107
✈dcl:~$ telnet sharingcenter.eu 25 Trying 178.63.65.188... ^C ✈dcl:~$ telnet mail.sharingcenter.eu 25 Trying 178.63.65.136... telnet: Unable to connect to remote host: No route to host ✈dcl:~$
On the server, it looks like everything is running as it should: [root@mercury ~]# service postfix status master (pid 31800) is running... [root@mercury ~]# service dovecot status dovecot (pid 29751) is running... [root@mercury ~]# netstat -anp --tcp --udp | grep LISTEN | grep 25 tcp 0 0 127.0.0.1:25 0.0.0.0:* LISTEN 31800/master [root@mercury ~]#
What could I be missing? The logs are clean.