Re: Help Needed: My RHEL5 box suddenly stopped accepting e-mails
- From: Jacky Li <zli@xxxxxxxxxxxxxxx>
- Date: Tue, 10 May 2011 20:03:15 -1000
Hi,
Since you don't have iptables off and your company doesn't have a firewall, my guess your ISP is doing the filtering. Can we get a description/picture of your network?
< your computer> <---> ISP <---> to the outside?
Jacky
Here's what I get from the remote side:
PORT STATE SERVICE
22/tcp open ssh
25/tcp filtered smtp
I don't know what filters are in place; is there any way to get more
information
about the filters?
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