IMAP List Administration: > Summary: > - upgraded OS > - upgraded Postfix > - cut local named out of system > > but no change. Anyone have a suggestion as to how to pursue this problem?
Obviously, the above attempts all share the same problem, i.e. the problem is your network or something beyond your network. Try running nsping (name server ping) over a long stretch of time (e.g., 24 hours). It will tell you about dropped queries a variations in response times. Wietse