These ip's can send mail in to me. I just can't send mail to them. I have no clue what or where to put parameters in sendmail.cf. Can you help me there? I hate being a pest but I really need to fix this problem and I am quite new to sendmail. Thanks. Here is one of the return email messages I get:
---------- Forwarded message ----------
Date: Wed, 22 Oct 2008 21:39:34 -0700
From: Mail Delivery Subsystem <MAILER-DAEMON>
To:
mirader@zoso.net
Subject: Warning: could not send message for past 4 hours
**********************************************
** THIS IS A WARNING MESSAGE ONLY **
** YOU DO NOT NEED TO RESEND YOUR MESSAGE **
**********************************************
The original message was received at Wed, 22 Oct 2008 17:31:11 -0700
from IDENT:1000@[127.0.0.1]
----- Transcript of session follows -----
... while talking to urscorp.com.inbound10.symantecmail.com.:
>>> EHLO zoso.net
<<< 421 Timeout exceeded
... while talking to urscorp.com.inbound10.symantecmail.net.:
>>> EHLO zoso.net
<<< 421 Timeout exceeded
<Rob_Marsh@URSCorp.com>... Deferred: Name server: urscorp.com.inbound10.symantecmail.net.: host name lookup failure
Warning: message still undelivered after 4 hours
Will keep trying until message is 5 days old