I see this on my laptop during boot, but I don't establish a connection until after x is up. I would like to know where the time out is set as well. -cm On Wed, 2005-12-21 at 17:10 -0600, Les Mikesell wrote: > On Wed, 2005-12-21 at 16:57, Andy Pieters wrote: > > Hi list > > > > I am seeing extreemly long login times on my smtp server. It pauses for ~1min > > right after connection. > > > > telnet mail.vlaamse-kern.com 25 > > Connected to mail.vlaamse-kern.com > > Escape character is '^]'. > > ****PAUSES FOR 1 MINUTE*** > > 220 mail.vlaamse-kern.com ESMTP Sendmail 8.13.1/8.13.1; Wed, 21 Dec > > 2005 18:38:21 +0100 > > > > Further information: when I connect from the lan to port 25 on the public ip > > address, the connection is refused, but when I connect from the lan to port > > 25 on the server's private ip address, the connection is established and the > > pause does not occur. > > > > Can anyone make sense of this? > > 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. > > -- > Les Mikesell > lesmikesell@xxxxxxxxx > >
