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  1. [ubuntu] Re: Sendmail Server's Port 25 is blocked on Ubuntu 8.04

    Problem resolved.

    By default, Sendmail does not allow relaying. This is done to make life harder for spammers. However, my mail server is behind a firewall on the gateway, and my mailserver...
  2. [ubuntu] Re: Sendmail Server's Port 25 is blocked on Ubuntu 8.04

    Regarding http://www.electrictoolbox.com/artic...ction-refused/, good article, but it didn't help me.
  3. [ubuntu] Re: Sendmail Server's Port 25 is blocked on Ubuntu 8.04

    I found some sendmail and tcpd related items in inetd.conf that needed to be uncommented, but I'm still having the same problems. netstat reports port 25 is listening, but nmap is telling me that...
  4. [ubuntu] Re: Sendmail Server's Port 25 is blocked on Ubuntu 8.04

    I made the change you recommended, but netstat tells me that port 25 is not listening.
  5. [ubuntu] Re: Sendmail Server's Port 25 is blocked on Ubuntu 8.04

    I commented out the line, but `netstat -tnr` now shows no listening on port 25.

    Additionally, on the sendmail server, `nmap -p25 localhost` is now showing a closed port 25.

    From another box,...
  6. [ubuntu] Re: Sendmail Server's Port 25 is blocked on Ubuntu 8.04

    # netstat -tna
    Active Internet connections (servers and established)
    Proto Recv-Q Send-Q Local Address Foreign Address State

    tcp 0 0 127.0.0.1:25 ...
  7. [ubuntu] Re: Sendmail Server's Port 25 is blocked on Ubuntu 8.04

    See attachment.

    If this doesn't work, I'll paste it in a reply window...
  8. [ubuntu] Re: Sendmail Server's Port 25 is blocked on Ubuntu 8.04

    My previous post came was an addon to a previous post, which got lost. Her is the previous post:

    When performed on the Sendmail server, this what I get, and I went
    ahead with a ehlo command:
    ...
  9. [ubuntu] Re: Sendmail Server's Port 25 is blocked on Ubuntu 8.04

    `telnet localhost 25` followed by `ehlo localhost` yields the same result:

    $ telnet localhost 25
    Trying 127.0.0.1...
    Connected to localhost.
    Escape character is '^]'.
    220 sendmail.server ESMTP...
  10. [ubuntu] Sendmail Server's Port 25 is blocked on Ubuntu 8.04

    Sendmail on Ubuntu 8.04 is supposed to open port 25, both locally and remotely. On my sendmail server, port 25 is open when viewed locally. But as seen from other Ubuntu 8.04 boxes connected to the...
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