[aclug-L] Re: MTAs & maildir vs mbox (was Re: Virtual POP3 and IMAP server)

[Jonathan Hall <jonhall@xxxxxxxxxxxx>]

I know qmail supports mbox... but Courier-IMAP requires maildir.  Does
vpopmail and the other qmail add-ons work (well) with mbox?

-- Jonathan


On Fri, Oct 19, 2001 at 10:52:39AM -0500, Ryan Hunt wrote:
> 
> http://freshmeat.net/projects/qmailtheeasyway/
> 
> I dont know how well this works but You might give it a try...
> 
> Weather or not someone forgot about a security bug dosent cut it in my
> book.. qmail has been arround for a long time to and even has a reward out
> for any security issues found with it.. no one has claimed reward.. Yea I
> agree the setup is kind of hokey but
> we have 92 virtural domains hosting in qmail and proably a 500-1000 users
> and havent problems
> 
> > Things I need my MTA to support:
> > * Virtual hosting (like, duh) and virtualusertable support
> vpopmail @ www.inter7.com works great for virtural hosting, we use mySQL
> support with this and its very fast
> 
> > * Message size limits, preferably based on the sender's IP address (i.e.
> >   someone sending a mail from 192.168.x.x has a 1mb size limit, while
> >   someone sending from a 209.134.x.x address has a 10mb size limit)
> Perhaps
> >   this could be implimened using procmail or similar, rather than the MTA
> >   itself?
> You are on ur own with this one.. im assuiming this is for outgoing email so
> im shure
> there would be some way to script it..
> 
> > * Filtering abilities (something that can quite easily be handed off to
> >   procmail or another similar program)
> Qmail has a lot of commercial anti-virus support and great filtering
> abilities
> 
> > * SSL support
> I am pretty shure I saw something like this for qmail but I havent looked
> into it because I just have a ssh tunnel to my pop server
> do some reasearch and im shure you will find something..
> 
> > * Ability to allow relaying from specific hosts *OR* after
> authenticating--I
> >   want the user to have the ability to relay through my mail server IF
> they
> >   authenticate first (does this require SSL?)
> Qmail can authenticate relaying through vpopmail by requireing the user to
> pop the email server
> before sending and then caching that pop'd ip for a set ammount of time (eg,
> pop the email every hour)
> You can also specify specific blocks of IP's to allow relaying from, eg only
> people on 192.168.254.0/24 can relay.. but sendmail has the same option...
> 
> I will be the first to admit Qmail is a bit daunting and a pain in the rear
> end to setup but I took the chance, gave it a shot, finaly got it to work
> and now I
> completly love it and will always remain loyal.. Now that I have been using
> Qmail for a few years I cant see why anyone would use anything else..
> 
> -Ryan
> 
> 
> 
> 
> ----- Original Message -----
> From: "Jonathan Hall" <jonhall@xxxxxxxxxxxx>
> To: <discussion@xxxxxxxxx>
> Sent: Friday, October 19, 2001 10:31 AM
> Subject: [aclug-L] Re: MTAs & maildir vs mbox (was Re: Virtual POP3 and IMAP
> server)
> 
> 
> >
> > I really like sendmail... I really hate qmail.
> >
> > But that's just a matter of persional preference.
> >
> > I had considered a few other MTAs, but decided to stick with sendmail b/c
> > it's been around so long, and thus is quite secure (contrary to the
> popular
> > belief that the old "gaping" security holes still exist--any program
> that's
> > been around as long as sendmail is going to have security holes... most
> > people forget that they don't exist any more :P)
> >
> > I did try to configure qmail once before, and despised it.
> >
> > However, I do need an MTA who's abilities (and not ease/enjoyment of
> > configuration) match my needs.
> >
> > What can other people who like or dislike qmail (or other MTAs) add to
> this
> > discussion?
> >
> > Things I need my MTA to support:
> > * Virtual hosting (like, duh) and virtualusertable support
> > * Message size limits, preferably based on the sender's IP address (i.e.
> >   someone sending a mail from 192.168.x.x has a 1mb size limit, while
> >   someone sending from a 209.134.x.x address has a 10mb size limit)
> Perhaps
> >   this could be implimened using procmail or similar, rather than the MTA
> >   itself?
> > * Filtering abilities (something that can quite easily be handed off to
> >   procmail or another similar program)
> > * SSL support
> > * Ability to allow relaying from specific hosts *OR* after
> authenticating--I
> >   want the user to have the ability to relay through my mail server IF
> they
> >   authenticate first (does this require SSL?)
> >
> > Another question I have is maildir vs. mbox?  I'd discussed this with some
> > others, and came to the conclusion that mbox would be more efficient for
> me
> > since 99% of my users will dowload their mail w/ POP3, then delete it.
> mbox
> > uses far fewer inodes... and sequential messsage access should be much
> > faster for mbox over maildir... right?
> >
> > Right now I have ~200 users... but want to be as scalable as possible.
> >
> > I'm also not opposed to encouraging my customers to swich to IMAP if there
> > is a good reason to.  I suspect POP3 is considered better in most
> instances
> > b/c overall bandiwdth usage is less, and b/c it doesn't continually use
> disk
> > real estate on the server.  Is my thinking sound?
> >
> >
> >
> > On Fri, Oct 19, 2001 at 08:14:16AM -0500, Ryan Hunt wrote:
> > >
> > > > * Must work with sendmail (Unless you can somehow amazingly convince
> me
> > > that
> > > >   some other MTA is better for my application)
> > >
> > > Ive used QMail for years and I believe its far superior to Sendmail in
> every
> > > conseivable way, its secure, fast, stable. When compared to sendmail's
> > > bloated, insecure, slow and semi-stable history its no supprise like
> XOOM,
> > > Yahoo, Lycos and other high volume email servers have been using qmail
> for
> > > years..
> > >
> > > It is a bit daunting the first time you set it up and it will require
> alot
> > > of work but once you have it all setup you can do it over and over again
> if
> > > needed...
> > >
> > > Qmail > Sendmail
> > >
> > > -Ryan
> > >
> > > -- This is the discussion@xxxxxxxxx list.  To unsubscribe,
> > > visit http://tmp2.complete.org/cgi-bin/listargate-aclug.cgi
> >
> > --
> > --
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> >   Jonathan Hall  *  jonhall@xxxxxxxxxxxx  *  PGP public key available
> >  Systems Admin, Future Internet Services; Goessel, KS * (620) 367-2487
> >          http://www.futureks.net/  *  PGP Key ID: FE 00 FD 51
> >                   -=  Running Debian GNU/Linux  =-
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> >
> 
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  Jonathan Hall  *  jonhall@xxxxxxxxxxxx  *  PGP public key available
 Systems Admin, Future Internet Services; Goessel, KS * (620) 367-2487
         http://www.futureks.net/  *  PGP Key ID: FE 00 FD 51
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