pop3 services is responding very slow first time

[Gumeni]

I have Redhat 6.1 on a Pentium II /64MB RAM.
In the morning when I try to get my email I have to whait for 10 minutes for authentication to mail server (in the same LAN) but after that I can authorize to mail server very fast.
What is the problem?

[Douglas Cromby_1]

I am not sure how you would do this, but I would try and set tracing to see what is happening when you logon for the first time. In similiar circumstances in the past I have found this to usually give the answer.

[Kofi ARTHIABAH]

I suspect that your connection authentication is being delayed by the attempt by the pop3 server to do a reverse name lookup on the connecting host. Another reason might be that the identd (do a man on identd) daemon is trying to authenticate the user from your connecting host but your connecting host does not have identd running. Try this on your pop3 server:

1. edit your /etc/nsswitch.conf and modify the hosts line to read:
hosts: files [NOTFOUND=continue] dns

2. include the hostname that you are connecting from in the /etc/hosts file

3. Disable the identd service - comment the line in your /etc/inetd.conf that has the auth / in.identd line. and then restart inetd.

Good luck