Sahil Tandon put forth on 7/2/2010 4:13 PM: > On Fri, 2010-07-02 at 13:41:06 -0700, Asai wrote: > >> For some reason, which I don't know how to figure out, our emails to >> this one specific email domain are being refused. Can anyone point >> me in the right direction? Here's an example of the log: >> >> Jul 2 09:33:40 triata postfix/smtp[1485]: connect to >> mail.theirdomain.com[xx.xx.xx.xx]: Connection timed out (port 25) > > Are you able to telnet to mail.theirdomain.com on port 25? If that also > times out, then try from another location. If that too times out, then > it's a problem with the mail servers at theirdomain.com.
I can get a telnet connection to the problem destination MX server from here, but I also get a connection refusal to the backup MX. [04:51:16][s...@greer]~$ telnet 67.227.17.37 25 Trying 67.227.17.37... Connected to 67.227.17.37. Escape character is '^]'. 220 *********************************************************************************** quit 221 2.0.0 mail.egismail.com closing connection Connection closed by foreign host. [04:53:10][s...@greer]~$ telnet 67.227.17.36 25 Trying 67.227.17.36... telnet: Unable to connect to remote host: Connection refused -- Stan