1 minute pause on sendmail login

[Bill Perkins]

Paul Howarth wrote:
> Andy Pieters wrote:
> 
>> Hi
>>
>>> Sendmail will do a reverse DNS lookup for the IP address of the
>>> connection to put the name in the logs.  Apparently this
>>> doesn't work for the address you are testing from and you
>>> wait for a timeout.  Perhaps the delegated DNS server is
>>> blocked by a firewall that drops the packets.  Likewise there
>>> is an IDENT query for the owner of the socket, but those
>>> timeouts are usually faster.
>>>
>>
>>
>> It seems to happen with *everyone* who tries to connect outside of the 
>> LAN.
> 
> 
> Not from here it doesn't:
> 
> $ date; telnet mail.vlaamse-kern.com 25; date
> Thu Dec 22 11:34:47 GMT 2005
> Trying 86.53.38.156...
> Connected to mail.vlaamse-kern.com.
> Escape character is '^]'.
> 220 giga.vlaamse-kern.com ESMTP Sendmail 8.13.1/8.13.1; Thu, 22 Dec 2005 
> 12:34:47 +0100
> QUIT
> 221 2.0.0 giga.vlaamse-kern.com closing connection
> Connection closed by foreign host.
> Thu Dec 22 11:34:49 GMT 2005
> 
> I have working reverse DNS though.
> 
> Paul.
> 

I wind up putting the hosts into /etc/hosts, and that usually resolves 
things with sendmail. HTH.

-- 
-------------------------------------------------------------------------------
"The two most common things in the	| Bill Perkins
  universe are Hydrogen and Stupidity."	| perk at iag.net
					| programmer-at-large
		F. Zappa		| ALL assembly languages done here.
-------------------------------------------------------------------------------