If you block auth port 113 with a deny instead of a reject then sendmail will hang for quite some seconds as it trys to connect back to your machine on that port. Changing firewall rules to reject will solve this. hope this helps derek On Wed, 5 Sep 2001, Tobias Schaefer wrote: > Date: Wed, 5 Sep 2001 18:26:09 +0200 (CEST) > From: Tobias Schaefer <T.Schaefer@science-computing.de> > Reply-To: pam-list@redhat.com > To: pam-list@redhat.com > Subject: Re: Pop Auth wery slow > > Hi Christian, > > > i have finally installed my redhat mail server (7.0) > > but i have a little problem. When i retrieve the mail > > from the pop3 server i must wait a lot for the user auth. > > The log files don't report any error because the mail is correctly > > retrieved and sent. > > Is there someone who had the same problem? > > I see that something similar happens to wu-ftpd. > > What i should check : > > the first thing that comes to my mind is host name resolving. > > Check in /etc/nsswitch.conf for a line like this: > hosts: files nis dns > > If you do dns name resolving you should check /etc/resolv.conf: > Are all nameserver entries valid? These entries are processed in > sequence: If the first nameserver is unavaillable it waits (half a minute) > and then takes the second. If that fails (half a minute) the third is > checked. > > > Tobias > ---------------------------------------------------------------- Derek Benson | Infrastructure Management | Tel: +61 7 336 53690 Information Technology Services | Email: d.benson@its.uq.edu.au The University of Queensland | http://www.its.uq.edu.au ================================================================