Re: telnet server 25 connection refuse

We have RHEL 5 version,after configure sendmail.mc ,dovecote configure
file, and dovecote enable,iptables -F,selinux is off.

and
telnet server 110 , working fine ,
but

telnet server 25 connection refuse,

By default, SMTP servers on RHEL systems only listen to localhost, not the network interface. Chances are you need to put "dnl " in front of the line "DAEMON_OPTIONS(`Port=smtp,Addr=127.0.0.1, Name=MTA')dnl" in your /etc/mail/sendmail.mc ...
run m4 /etc/mail/sendmail.mc > /etc/mail/sendmail.cf and restart sendmail

Before you do this, try :

telnet localhost 25

If that answers, then the above fix should work.

Barry

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