Clifton, Alan,
  Ok, perhaps moving to server mode is a good idea.  I have a couple
questions:
  1. What is the consequence of elm and popping at the same time?  How easy
is it to repair? -note: I agree that it is probably rare that it would
happen simultaneously, but I am sure it eventually will.
  2. I presume that in server mode there is no temp file any more.  How does
one keep track of the last time a user popped?  This is important for me in
finding stagnant accounts.  
  Thanks for the attachment! 
 Tim

>
>On Fri, Feb 15, 2002 at 10:19:06AM -0600, Tim Tyler wrote:
>> Clifton,
>>    Thanks, most of what you and Alan Brown stated is pretty much how I was 
>> leaning.  I think you are correct that the best I can do is to minimize my 
>> problem, but never eliminate it.  I had already doubled the hard quota on 
>> one of my servers.  I will do it with our student server as well.  I also 
>> wrote a script earlier this week to warn users that were in their grace 
>> period about exceeding quota.  This will help to some degree.
>>    I can't really go to server mode because we still have shell users.
>
>  So do we.  I think you need this patch I wrote against 4.0.3 last
>year, which I'm including as an attachment.
>
>  It hasn't been incorporated into the main release as of 4.0.3, but
>maybe in one of the upcoming ones - what it does is let you manage
>server mode on a per-user basis based on what shell is assigned to the
>user in /etc/passwd.  Thus if you assign /sbin/nologin or /bin/false as
>the shell for users who don't actually have shell access, or even if
>you assign /bin/sh for users who theoretically have shell access but
>never use it, you can specify that to qpopper and have it jump into
>server mode for those users after they authenticate.
>
>  IMAP interaction with qpopper server mode is still a problem, *but* I
>am now well along with debugging a patch that provides interoperability
>of qpopper server mode and UW imapd (and pine!), by adding an option
>for qpopper to use UW-style mailbox locks on the user's mailspool for
>the duration of the POP session.  It turned out to be much more work
>than I thought, but I now have it running on a test server while I beat
>on it and finish debugging some interactions.  Still some weeks away
>from general release, most likely, but it will get finished because an
>important internal project here depends on it working.
>
>
>>     I would like to comment that quota issues have become increasingly more 
>> difficult to manage with everyone sharing music, graphics, videos, etc.  It 
>> would be nice if someday Qpopper were able to implement its own internal 
>> quota system where the sum of the mailbox file (prior to popping) and any 
>> new incoming email cannot exceed a given limit during the popping 
>> process.   That way system hard limits wouldn't be thwarted by qpopper so 
>> easily.
>
>  To niggle a bit, really the problem is that qpopper *can't* thwart
>the system hard limits and therefore requires the admin to stretch the
>limits for it; and the MTA or mail delivery agent don't know that they
>must respect the lower limits.
>
>  Nonetheless, these are good comments.  A good well-integrated patch
>to implement them would of course also be welcome! :-) Otherwise, well,
>it'll happen when it happens.
>
>  -- Clifton
>
>-- 
> Clifton Royston  --  LavaNet Systems Architect --  [EMAIL PROTECTED]
>   WWJD?   "JWRTFM!" - Scott Dorsey (kludge)   "JWG" - Eddie Aikau
>


-- 
Tim Tyler
Network Manager - Beloit College
[EMAIL PROTECTED]
Go Packers! Go Badgers!
1999&2000 Rose Bowl Champions!

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