For SMTP it could be a rblserver which is not responsing anymore. Maybe you 
have a not workin rblserver configured ?
For POP3 i have no clue..

bye
Norman


On Tue, 05 Jun 2007 17:52:00 +0200, Michael Pahle <[EMAIL PROTECTED]> wrote:
> Revers lookup is done instantly. What do you mean by DNS configuration
> issue? DNS is set to autodetection and seems to work well...
> 
> I thought it might be related to jvm DNS caching. I set
> -Dsun.net.inetaddr.ttl=10 but that didn't work either. What else to check?
> 
> Thanks,
> Michael
> 
> Stefano Bagnara schrieb:
>> Yes, it is probably related to reverse DNS lookups.
>> Check if your server is able to lookup the reverse dns for the
>> connecting client or if you have DNS configuration issues.
>>
>> Stefano
>>
>> Michael Pahle ha scritto:
>>> Hi,
>>>
>>> I'm running the latest version and since some time ago I have very slow
>>> pop3 and smtp (at times) connections.
>>> I set the logs to "DEBUG" and found that it takes quite a while for the
>>> pophandler to setup the connection
>>> (whatever that means). Could this be related to Reverse DNS?
>>>
>>> 01/06/07 16:11:35 DEBUG connections: Starting connection on
>>> 88.198.21.202:110 from xxx.xxx.xxx.xxx
>>> 01/06/07 16:11:35 DEBUG pop3server: Retrieving a
>>> org.apache.james.pop3server.POP3Handler from the pool
>>> 01/06/07 16:12:04 INFO  pop3server: Connection from xxxxxx
>>> (xxx.xxx.xxx.xxx)
>>> (hosts and domains crossed out)
>>>
>>> Help appreciated,
>>> Michael
>>
>>
>>
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