Fedora core 1 sendmail problems

[Dave Simko]

How is your host file setup do you have myserver.mydomain.org in there 
and is it using you NAT'd address?

Dave


Homer Sapions wrote:

> I have been searching the archives of this list and google and not yet 
> found the solution to my problem. It seems like this is a common 
> problem with sendmail on new installations of Fedora, so I am 
> frustrated by not finding a solution that works for me. I would really 
> appreciate any help.
>
> I had a RedHat 7.3 installation working properly, both sending and 
> receiving mail with sendmail. I wanted a clean Fedora install, and 
> since then I can send, but not receive mail.
>
> I have modified /etc/mail/sendmail.mc and commented out the line
> dnl # DAEMON_OPTIONS(`Port=smtp,Addr=127.0.0.1, Name=MTA')dnl
> then ran make -C /etc/mail and restarted sendmail with service 
> sendmail restart.
>
> I also modified /etc/mail/access and added
> localhost.localdomain           RELAY
> localhost                       RELAY
> 127.0.0.1                       RELAY
> myserver.mydomain.org   RELAY
> then restarted sendmail.
>
> I have a 4 port linksys as a router/firewall between my cable modem 
> and my server (and 2 other PCs). Port forwarding is enabled on the 
> linksys to allow http traffic, and smtp on port 25 to be forwarded to 
> the server - which was all working correctly before the Fedora install.
>
> I ran ethereal and watched connections, not that I understand much of 
> the packet info. I see connection attempts, but external mail servers 
> never complete a connection. The typical pattern seems to be a remote 
> server sends a SYN on port 25, I reply with SYN,ACK. Remote sends a 
> SYN, I send 2 SYN,ACKs. Remote sends a SYN, and I send 3 SYN,ACKs, and 
> eventualy the rmote gives up.
>
>> From any PC inside my network I can telnet to the server on port 25 and 
>
> issue basic smtp instructions. I can do the same locally with 
> 127.0.0.1  e.g.
> # telnet myserver.mydomain.org 25
> Trying 192.168.1.12...
> Connected to myserver.mydomain.org.
> Escape character is '^]'.
> 220 myserver.mydomain.org ESMTP Sendmail 8.12.10/8.12.10; Sun, 28 Mar 
> 2004 11:41:01 -0500
> mail from: someone at xxx.org
> 250 2.1.0 someone at xxx.org... Sender ok
> rcpt to: homer
> 250 2.1.5 homer... Recipient ok
> data
> 354 Enter mail, end with "." on a line by itself
> Subject: test message
> this is a test