On Fri, Feb 21, 2014 at 10:31:18AM +0800, Feel Zhou wrote:
> Today, one of my postfix server can not telnet any other mail server's port
> 25.
If you cannot make a TCP connection to port 25, your problem is
outside Postfix. Your ISP may have blocked port 25 outbound.
> It's working before 9:00am(bejing time CHina), I have restart the mail
> server and reinstall the postfix. but it's looks like not working. How can
> I fix this problem. Thanks for your help
Postfix relies on working TCP/IP infrastructure. Postfix cannot
configure away problems in the network stack.
--
Viktor.
