On 05/07/2011 10:09 PM, Mun wrote: > I get "connection lost" or "Connection timed out"; depending on the computer > I use to run telnet. > The "connection lost" is what my Windows XP box returned; and the > "Connection timed out" is what > another Linux box returned. Please log in as root and run the following commands: service sendmail status chckconfig --list sendmail netstat -ntlp | grep :25 iptables-save grep -v '^#' /etc/hosts.{allow,deny} We'll be able to see which process is listening on smtp port and if it's not being blocked by either the packet filter, nor tcp_wrappers. -- regards Bohdan Sydor www.sydor.net -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list