Comments by tzych (Top 4 by date)

The Log class/assembly is intended to be a singleton, yes. But that only works within a single process; with two different processes, you have two instances of the 'singleton'.

Paulo - the file is accessed from exactly 2 processes on the same computer.

Thanks - I was apparently misunderstanding how SmtpClient worked. I tested that approach, and it works so far! Bad news is I need to have my users provide their mail server info, store that, etc. - but better than having to remove the feature...