Re: [qmailtoaster] SMTP-AUTH on CentOS 4 does not working - Please help

Mon, 14 May 2007 09:12:51 -0700 

Hey Miki
so you are saying your server is an open relay ?
I hope not for you :)
check those links and you ll know straight away
http://www.checkor.com/ and poste the results (hide our ip) if you just have blue, dont worry all is fine 



if you dont have a line matching the sender's ip in your tcp.smtp file, 
he cant send through your server w/o beeing authentified;
by default it is smtp auth (if you modded your qmt it could be pop 
before smtp aswell)




Miki wrote:

Hi Philip and again thanks for your great help.

you wrote:

"...If users didtn have to use auth, your server would be an open 
relay :) ..."



Ok, so how do I enable users to use auth now, and to block this relay?

Thanks again
Miki





On 5/14/07, *Philip Nix Guru* <[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>> 
wrote:


    Miki
    it is forced on port 587
    and on port 25 you can change behaviour using tcp.smtp file

    a foreign user cant relay through your smtp
    if the ip he is connecting to your smtp isnt listed in yout tcp.smtp
    file with a RELAYCLIENT="" like you did for your internal ips
    that's the default QMT behavior.

    If users didtn have to use auth, your server would be an open relay :)



    Miki wrote:
    > Hi thanks for your help,
    > but first of all I want to enable SMTP authentication so users need
    > username and password to be able to send email through this server.
    >
    > Thanks,
    > Miki
    >
    > On 5/14/07, *Philip Nix Guru* < [EMAIL PROTECTED]
    <mailto:[EMAIL PROTECTED]> <mailto:[EMAIL PROTECTED] <mailto:[EMAIL 
PROTECTED]>>>
    > wrote:
    >
    >     Try any of those :
    >     http://www.checkor.com/ <http://www.checkor.com/>
    >     http://www.spamhelp.org/shopenrelay/
    >     http://www.abuse.net/relay.html <
    http://www.abuse.net/relay.html>
    >
    >
    >     etc .-...
    >
    >     Miki wrote:
    >     > Hi again,
    >     > the line is in the file /etc/tcprules.d/tcp.smtp not in
    >     /etc/tcp.smtp
    >     > should I add to /etc/tcp.smtp this:
    >     > :/allow,SMTPAUTH="" /or :/allow,REQUIREAUTH="" ??? to
    enable the
    >     authentication?
    >     >
    >     >
    >     > Thanks,
    >     > Miki
    >     > /
    >     >
    >     >
    >     > On 5/14/07, *Philip Nix Guru* <[EMAIL PROTECTED]
    <mailto:[EMAIL PROTECTED]>
    >     <mailto: [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>>
    <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]> <mailto:[EMAIL 
PROTECTED]
    <mailto:[EMAIL PROTECTED]>> >>
    >     > wrote:
    >     >
    >     >     Hehehe
    >     >     ok I see the line now :)
    >     >
    >     >     Miki wrote:
    >     >     > Opps... here is more, my   /etc/tcprules.d/tcp.smtp
    file look
    >     >     like this:
    >     >     >
    >     >     > 127.:allow,RELAYCLIENT=""
    >     >     >
    >     >

    >    
    :allow,BADMIMETYPE="",BADLOADERTYPE="M",CHKUSER_RCPTLIMIT="50",CHKUSER_WRONGRCPTLIMIT="10",QMAILQUEUE="/var/qmail/bin/simscan"


    >
    >     >
    >     >     >
    >     >     > 10.10.10.:allow,RELAYCLIENT=""
    >     >     > 10.10.20.:allow,RELAYCLIENT=""
    >     >     >
    >     >     > Thanks,
    >     >     > Miki
    >     >     >
    >     >     >
    >     >     >
    >     >     >
    >     >     > On 5/14/07, *Philip* < [EMAIL PROTECTED]
    <mailto:[EMAIL PROTECTED]>
    >     <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>>
    <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]> <mailto:[EMAIL 
PROTECTED]
    <mailto:[EMAIL PROTECTED]>>>
    >     >     <mailto: [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>
    <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>>
    >     <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]> <mailto:
    [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>>>>> wrote:
    >     >     >
    >     >     >     Hello
    >     >     >     I didnt follow the whole issue
    >     >     >     but could you just show us your tcp.smtp file ?
    >     >     >
    >     >     >
    >     >     >     Miki wrote:
    >     >     >     > Hi again,
    >     >     >     > Users are using email client to send via SMTP
    server
    >     without
    >     >     >     > authentication and it's work and that's why anyone
    >     can use
    >     >     the SMTP
    >     >     >     > which lead to problem.
    >     >     >     >
    >     >     >     > And yes, I'm getting too much SPAM until my server
    >     is very
    >     >     slow
    >     >     >     > although SpamAssassin is installed and work.
    >     >     >     >
    >     >     >     > Thanks again.
    >     >     >     > Miki
    >     >     >     >
    >     >     >     > On 5/14/07, *Johannes Weberhofer, Weberhofer
    GmbH* <
    >     >     >     > [EMAIL PROTECTED]
    <mailto:[EMAIL PROTECTED]> <mailto:[EMAIL PROTECTED]
    <mailto:[EMAIL PROTECTED]>>
    >     <mailto: [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>
    <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>>>
    >     >     <mailto: [EMAIL PROTECTED]
    <mailto:[EMAIL PROTECTED]> <mailto: [EMAIL PROTECTED]
    <mailto:[EMAIL PROTECTED]>>
    >     <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>
    <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>>>>
    >     >     >     <mailto: [EMAIL PROTECTED]
    <mailto:[EMAIL PROTECTED]>
    >     <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>>
    <mailto: [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>
    >     <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>>>
    >     >     <mailto:[EMAIL PROTECTED]
    <mailto:[EMAIL PROTECTED]> <mailto: [EMAIL PROTECTED]
    <mailto:[EMAIL PROTECTED]>>
    >     <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>
    <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>>>>>> wrote:
    >     >     >     >
    >     >     >     >     As the default settings block incoming
    traffoc from
    >     >     Dynamic
    >     >     >     IPs at
    >     >     >     >     the SMTP port, you must have a fixed IP to do
    >     the test
    >     >     this way.
    >     >     >     >
    >     >     >     >     Johannes
    >     >     >     >
    >     >     >     >     Jake Vickers schrieb:
    >     >     >     >     > Miki wrote:
    >     >     >     >     >> ..
    >     >     >     >     >> Any ideas how to enable / check the
    SMTP-AUTH ?
    >     >     >     >     > Sure. Turn it off and try sending an email
    >     outside your
    >     >     >     domain.
    >     >     >     >     > What makes you think others are using your
    >     machine? You
    >     >     >     may just be
    >     >     >     >     > seeing standard spam stuff that we all see.
    >     >     >     >
    >     >     >     >     --
    >     >     >     >
    >     >     >     >
    >     >     >     >     |---------------------------------
    >     >     >     >     |  weberhofer GmbH               | Johannes
    >     Weberhofer
    >     >     >     >     |  information technologies
    >     >     >     >     |  Austria, 1080 Wien, Blindengasse 52/3
    >     >     >     >     |
    >     >     >     >     |  phone : +43 (0)1 5454421 0    | email:
    >     >     >     [EMAIL PROTECTED]
    <mailto:[EMAIL PROTECTED]> <mailto:[EMAIL PROTECTED]
    <mailto:[EMAIL PROTECTED]>>
    >     <mailto: [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>
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    >     >     >     >     |  fax   : +43 (0)1 5454421 19   | web  :
    >     >     http://weberhofer.at <http://weberhofer.at>
    >     >     >     >     |  mobile: +43 (0)699 11998315
    >     >     >     >

    >     >    
    |----------------------------------------------------------->>

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