On Mon, Oct 18, 2010 at 01:46, Ryan Wagoner <rswagoner@xxxxxxxxx> 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:
âdcl:~$ 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
âdcl:~$ telnet sharingcenter.eu 25
Trying 178.63.65.188...
^C
âdcl:~$ telnet mail.sharingcenter.eu 25
Trying 178.63.65.136...
telnet: Unable to connect to remote host: No route to host
âdcl:~$
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.
--
Dotan Cohen
http://gibberish.co.il
http://what-is-what.com
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