Ralf Hildebrandt wrote:

>On Sun, Nov 03, 2002 at 04:32:25PM +0100, Markus Schabel wrote:
>
>
>>When testing our mailserver from
>>http://members.iinet.net.au/~remmie/relay/ it accepts mail with nothing
>>in the from field (<>) and a virtual user in the to field, all other
>>variations are rejected. What can I do to prevent this? Or is this
>>behaviour ok?
>>
>>To: markus.schabeltgm.ac.at
>>From:
>><<< 250 Ok
>>
>>
>>>>>>MAIL FROM:<>
>>>>>>
>>>>>>
>><<< 250 Ok
>>
>>
>>>>>>RCPT TO:
>>>>>>
>>>>>>
>><<< 250 Ok
>>
>>
>>>>>>DATA
>>>>>>
>>>>>>
>><<< 354 End data with .
>>
>>
>>>>>>MESSAGE
>>>>>>
>>>>>>
>><<< 250 Ok: queued as 0DB29EB
>>
>>
>
>Why do you block mail to "postmastertgm.ac.at"?
>Or does postmastertgm.ac.at not exist?
>
does exist and shoud work fine now again

>Or do you block all mail with an empty sender (that way you cannot
>receive bounces!)?
>
># /usr/local/scripts/check-null-mail-host.pl tgm.ac.at
>
>Host: tgm.ac.at
>MX: mail.tgm.ac.at(10)
>MX: wing.tgm.ac.at(20)
>Checking IP: 193.170.8.132 [MX:10(mail.tgm.ac.at)] - OK
>Checking IP: 193.170.8.41 [MX:20(wing.tgm.ac.at)] [RBL:ordb.org] - FAILED(MAIL)
>Failure:
> While talking with 193.170.8.41 on Sun Nov 3 16:36:37 2002
> 220 wing.tgm.ac.at ESMTP Sendmail 8.8.7/8.8.7; Sun, 3 Nov 2002
>16:38:32 +0100
> HELO hauptpostamt.charite.de
> 250 wing.tgm.ac.at Hello hauptpostamt.charite.de [193.175.66.220],
>pleased to meet you
> MAIL From: <>
> 250 <>... Sender ok
> RCPT To: <postmastertgm.ac.at>
> 551 <postmastertgm.ac.at>... we do not relay
>ERROR: Bad response from IP: 193.170.8.41
>ERROR: At least one host failed the check.
>
>
wing should not relay for the tgm.ac.at domain (but sometimes it does,
and I can't get the sendmail-administrator to fix it - same problem with
RBL), but wing [the server] will be dead soon (I hope).

regards

-- 
Markus Schabel
|---------------------------------------------
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| IT-Service                                 |
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| eMail: markus.schabeltgm.ac.at            |
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