From: Ryan Davis Date: 2009-06-28T19:16:13+09:00 Subject: Re: Need Advice Help On Parsing A File On Jun 28, 2009, at 01:05 , Robert Klemme wrote: > I assume for mbox files there is an established protocol how the > file locking works. You'll probably find it somewhere on the web or > someone more knowledgeable than me posts information here. Unfortunately, no. It is server (both smtp and imap) and OS dependent. sucks.