Hi,
I shot myself in the foot once and got this exact same behavior.  I
had messed up my DNS and MY postfix couldn't resolve MY host name.
I had accidently deleted the host name that resolves to postfix's
$myhostname.


Hope this helps,

Bill Shirley


> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]On Behalf Of David Guntner
> Sent: Wednesday, September 25, 2002 10:48 AM
> To: [EMAIL PROTECTED]
> Subject: [expert] Postfix: How does reject_unknown_client work?
> 
> 
> I'm a bit puzzled here and hope someone can enlighten me a bit.
> 
> In my Postfix configuration, I've got reject_unknown_client 
> set as one of the 
> items in the smtpd_recipient_restrictions list.  In my logs, 
> I've been seeing 
> entries saying "450 Client host rejected: cannot find your 
> hostname, [IP 
> address]."  Now, the odd thing is that if I do a "host [ip 
> address]" in a 
> shell window, the IP address resolves into a hostname.  Apparently, 
> reject_unknown_client doesn't work as I was expecting, based 
> on what I read 
> in the Postfix documentation.  So, can someone give me a 
> run-down on how this 
> parameter actually works?  Any info/insight would be appreciated.
> 
>                  --Dave
> 
> 

Want to buy your Pack or Services from MandrakeSoft? 
Go to http://www.mandrakestore.com

Reply via email to