SUMMARY:sendmail with roaming pop3 client

Hi  All,
thanks to all responded..

Here is the reply from C Richards which helped to solve the 
problem.


You need to open relay for the IP addresses that are using 
outlook. I had to
do the same thing on our mail servers. If you have fixed IPs that 
users come
 from (like office)  the process are easy( just add their IPs in
/etc/mail/access and HUP sendmail) If your users are dialing from 
home then
you need to implement some kind of rules for relay(which is not
straightforward!! :-(   )

All others asked me to check the relay-domains settings in 
/etc/mail/
Timon, Scott, Robert and Mc Alister.

We were trying to pop the mail from browsing centre (roaming IP) 
we have fed the ip in /etc/mail/access file and restarted the 
sendmail daemon, solved the issue.


We don't have our own DNS configured MX records pointing ISP's 
DNS. In this case is it possible to give access to all domain 
without any security threat?


Thanks & Regards
Gnanu
-----------------------------------------------------------------------

My original Question was..
On Tue, 2002-08-06 at 22:15, Gnanagurusamy B wrote:
>Hi all,
>
>while try to send mail from outlook express client we are
>getting
>the following error..
>
>
>The message could not be sent because one of the recipients was
>rejected by the server. The rejected e-mail address was
>gnanu26@rediffmail.com. Subject 'Test mail. ', Account:
>'mail.xyzabc.com', Server: 'mail.xyzabc.com', Protocol: SMTP,
>Server Response: '550 5.7.1 <gnanu26@rediffmail.com>... 
>Relaying
>denied. IP name lookup failed [xx.xx.xx.xx]', Port: 25,
>Secure(SSL): No, Server
>
>mail server : linux with sendmail 8.11
>
>  from the server we are able to send & receive mails  to all
>domains with mail
>command
>
>while try to use pop3 we face problems.
>
>we are able to send and receive mails internally
>user1@xyzabc.com
>to user2@xyzabc.com with pop3 client.. but when we give some
>other
>domain in recepient then the above error occurs.
>
>System is pointing ISP's DNS.
>
>Thanks & Regards
>Gnanu
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