On 1/30/2012 10:30 PM, Noel Jones wrote: > On 1/30/2012 6:46 PM, Gonzo Fernandez wrote: >> Thank you Noel. Our server sends out copies of email confirmations >> to our clients and if the client decides to make a large order they >> end up pushing our volume up and we end up getting blocked by their >> mail server. I seem to be getting connection timed out on a lot of >> the hosts. I even try to telnet to ip and port 25 but it keeps >> timing out. I used "grep" to search in /var/log/maillog and I got >> this. Any ideas? > > > This isn't a postfix problem. If you can't telnet to any client > port 25, then you have a connectivity problem; maybe your ISP is > blocking that port, or some firewall has been misconfigured. > Contact your networking team or your ISP. > > If you can't telnet to this one destination port 25, they're > blocking you. You'll need to contact them to get this resolved. > > > Good luck. > > > > -- Noel Jones
If the destination can't handle the load you're sending it, you can slow postfix down. Details here: http://www.postfix.org/QSHAPE_README.html#active_congestion Of course, this won't help until they stop blocking you. -- Noel Jones
