Re: May be forged?

2003-09-19 Thread Greg 'groggy' Lehey
On Friday, 19 September 2003 at  3:20:21 +, Mark wrote:
 On  Friday, September 19, 2003 2:44 AM, Mark wrote:

 Thanks to Kris I found the new sendmail. :) But a slight anomaly occurs
 in 8.12.10:

 AUTH=server, relay=my-xp-machine.net [192.168.1.3] (may be forged),
 authid=admin

 That is odd; why would it suddenly say may be forged?

 Hmm, this wouldn't, by any chance, have anything to do with Verisign's
 latest DNS crap, would it? Kinda like a preemptive caution that a net
 domain might be fake?

 No, this is the result of a failed reverse DNS lookup or a failed
 consistency check between forward and reverse DNS. Given that the
 address is in the non-routable RFC 1918 range, this is to be expected.

 Then why does it not occur in 8.12.9? If I start my 8.12.9 sendmail, it does
 NOT say may be forged. Did something change in-between versions?

It would seem so.

 Here is why I think it seems related to Verisign somehow:

 asarian-host: {root} % nslookup my-xp-machine.net
 Name:my-xp-machine.net
 Address:  64.94.110.11

Ah.  But this is an invalid domain.

 Maybe 8.12.10 picks up on the IP-mismatch?

But we're looking at the reverse lookup first.  There's no global
reverse lookup for that network, but that doesn't mean that there
aren't local name servers which handle it.

 But that still does not explain why my 8.12.9 sendmail does not say
 may be forged. And if I change /etc/hosts to have 192.168.1.3
 called my-xp-machine.ORG, then the error goes away, in 8.12.10
 too!

Yes, that's a feature, not a bug.

Greg
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Re: May be forged?

2003-09-19 Thread Mark
 On Friday, 19 September 2003 at 3:20:21 +, Mark wrote:

  On Friday, September 19, 2003 2:44 AM, Mark wrote:
 
  Thanks to Kris I found the new sendmail. :) But a slight anomaly
  occurs in 8.12.10:
 
  AUTH=server, relay=my-xp-machine.net [192.168.1.3] (may be forged),
  authid=admin
 
  That is odd; why would it suddenly say may be forged?
 
  Hmm, this wouldn't, by any chance, have anything to do with Verisign's
  latest DNS crap, would it? Kinda like a preemptive caution that a
  net domain might be fake?
 
  No, this is the result of a failed reverse DNS lookup or a failed
  consistency check between forward and reverse DNS. Given that the
  address is in the non-routable RFC 1918 range, this is to be expected.
 
  Then why does it not occur in 8.12.9? If I start my 8.12.9 sendmail, it
  does NOT say may be forged. Did something change in-between versions?

 It would seem so.

  Here is why I think it seems related to Verisign somehow:
 
  asarian-host: {root} % nslookup my-xp-machine.net
  Name:my-xp-machine.net
  Address:  64.94.110.11

 Ah. But this is an invalid domain.

Yes, it is the name of my XP machine within the network. :)

  But that still does not explain why my 8.12.9 sendmail does not say
  may be forged. And if I change /etc/hosts to have 192.168.1.3
  called my-xp-machine.ORG, then the error goes away, in 8.12.10
  too!

 Yes, that's a feature, not a bug.

I do not quite understand this. Why would it not say may be forged when de
domain name ends in .org?

At any rate, I installed 8.12.10 now, changed the name of my XP machine to
end in .org; and, for the rest, everything seems to work wonderfully. So,
whatever that small change between versions may have been, it must be a
minor thing. I just wanted to make sure I had not compiled the new sendmail
horribly wrong. Everything is ok now. :)

Thanks for your help,

- Mark

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May be forged?

2003-09-18 Thread Mark
Thanks to Kris I found the new sendmail. :) But a slight anomaly occurs in
8.12.10:

AUTH=server, relay=my-xp-machine.net [192.168.1.3] (may be forged),
authid=admin

That is odd; why would it suddenly say may be forged? That makes no sense.
Switched back to 8.12.9, and everything is ok again:

AUTH=server, relay=my-xp-machine.net [192.168.1.3], authid=admin

I compiled it as follows:

make SENDMAIL_WITHOUT_IPV6=yes SENDMAIL_WITH_SMTPS=yes
SENDMAIL_WITH_SASL2=yes

Before, I think I used SENDMAIL_WITH_TLS=yes, instead of
SENDMAIL_WITH_SMTPS=yes. Is there someone who can explain this? Or better,
who knows how to fix it? :)

- Mark

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Re: May be forged?

2003-09-18 Thread Mark
- Original Message -
From: Mark [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Friday, September 19, 2003 2:44 AM
Subject: May be forged?

 Thanks to Kris I found the new sendmail. :) But a slight anomaly occurs in
 8.12.10:

 AUTH=server, relay=my-xp-machine.net [192.168.1.3] (may be forged),
 authid=admin

 That is odd; why would it suddenly say may be forged?

Hmm, this wouldn't, by any chance, have anything to do with Verisign's
latest DNS crap, would it? Kinda like a preemptive caution that a net
domain might be fake?

- Mark

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Re: May be forged?

2003-09-18 Thread Jonathan Chen
On Fri, Sep 19, 2003 at 12:43:37AM +, Mark wrote:
 Thanks to Kris I found the new sendmail. :) But a slight anomaly occurs in
 8.12.10:
 
 AUTH=server, relay=my-xp-machine.net [192.168.1.3] (may be forged),
 authid=admin
 
 That is odd; why would it suddenly say may be forged? That makes no sense.

This means that while there *is* a reverse entry for 192.168.1.3, the
result that came back for the IP doesn't have a forward lookup.
-- 
Jonathan Chen [EMAIL PROTECTED]
--
 Power corrupts, Absolute Power is pretty neat
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Re: May be forged?

2003-09-18 Thread Greg 'groggy' Lehey
On Friday, 19 September 2003 at  0:56:04 +, Mark wrote:
 - Original Message -
 From: Mark [EMAIL PROTECTED]
 To: [EMAIL PROTECTED]
 Sent: Friday, September 19, 2003 2:44 AM
 Subject: May be forged?

 Thanks to Kris I found the new sendmail. :) But a slight anomaly occurs in
 8.12.10:

 AUTH=server, relay=my-xp-machine.net [192.168.1.3] (may be forged),
 authid=admin

 That is odd; why would it suddenly say may be forged?

 Hmm, this wouldn't, by any chance, have anything to do with Verisign's
 latest DNS crap, would it? Kinda like a preemptive caution that a net
 domain might be fake?

No, this is the result of a failed reverse DNS lookup or a failed
consistency check between forward and reverse DNS.  Given that the
address is in the non-routable RFC 1918 range, this is to be expected.

Greg
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If you don't, I may ignore the reply or reply to the original recipients.
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