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Old 07-16-2002, 01:04 AM   #1
Registered: Jun 2002
Location: Wilmington, NC
Distribution: Red Hat 7.2
Posts: 47

Rep: Reputation: 15
Why Are My E-mails Bouncing?

I have a dedicated server running Red Hat 7.2 with Sendmail and Webmin and I am trying to set it up so I can send/receive email from Outlook to an account set up on the server. I've followed the steps on's support site at:*-*%20mail but it isn't working. Anytime I try to send an e-mail from my ISP's POP3 account to the one I set up on my server, ends up bouncing back.

I a domain name pointing to an IP addresses on my dedicated server. The main IP address of the server does not have a domain name pointing to it yet, becasue I'm waiting to set everything up correctly before I point the domain to it. Everything else is working fine, HTTP, SSH, and FTP. Here is what I have in my DNS for another domain name that is pointing to the server:

IN MX 10
mail IN A 209.15.XX.XXX

I have the domain entered in the Host Addresses section under in Hardware in Webmin. Under Address Mapping in Webmin I have entered as the address and my username 'website' as the address.

Can somebody tell me why my e-mails aren't being received on my server? Am I missing something? I can send emails out through scripts I have set up, I just can't receive them when they are sent through Outlook. Do I need to install some other server like POP3? How about a SMTP server for sending e-mails out from the accounts?

Any help would be greatly apprecieated. I've spent the past 4 hours trying to get this to work and haven't gotten anywhere.
Old 07-16-2002, 07:12 AM   #2
LQ Newbie
Registered: Apr 2002
Distribution: RH X
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Do a netstat -at to see if you're listening to port 25. (not just on localhost)
Also please post the header of the bouncing emails...
Old 07-16-2002, 11:11 AM   #3
Registered: Feb 2002
Location: Grenoble
Distribution: Debian
Posts: 9,696

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And look into your firewall. It may be blocking connections to port 25. If so, change it and your mail should pass.
Old 07-16-2002, 11:19 AM   #4
Registered: Jun 2002
Location: Wilmington, NC
Distribution: Red Hat 7.2
Posts: 47

Original Poster
Rep: Reputation: 15
Thanks for your replies. I found out why the e-mails weren't going through, the line in etc/ needed to be changed from:

O DaemonPortOptions=Port=smtp,Addr=1270.0.1, Name=MTA


O DaemonPortOptions=Port=smtp,Addr=, Name=MTA.



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