A recent sysadmin discussion here wound up with one of the participantssuggesting that we deal with a particular issue by creating a newhostname, because after all names are cheap. This remark crystallizedsomething for me.

I disagree. Names are not cheap, they are actually expensive. Nameslook cheap because they are easy to create, but they create clutter anduncertainty (over what name is still being used by what) that makesthem expensive in the long run.

(Once you have enough names and enough uncertainty, you

This week, we:

• got 11,888 messages from 260 different IP addresses.
• handled 20,811 sessions from 1,729 different IP addresses.
• received 271,365 connections from at least 102,972 different IPaddresses.
• hit a highwater of 9 connections being checked at once.

I'm pleased to see connection volume drop significantly from lastweek . This week's per-day statistics lookalmost normal, too

I fired up a version of Dovecot on a testingserver today, only to be greeted with:

Fatal: listen(993) failed: Address already in use

That was kind of peculiar, since nothing else was running on themachine, certainly nothing that should be using the imap-over-SSL port.I tried starting Dovecot again and got the same error, looked at thexinetd configuration just in case, tried lsof -i and saw that nostrange daemon was listening, tried connecting to the port