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

["Ryan Hunt" <rhunt@xxxxxxxxxxx>]

no, but like I said a few messages ago Maildir is definatly the way to go..
espicaly if you are using qmail..

-Ryan
----- Original Message -----
From: "Jonathan Hall" <jonhall@xxxxxxxxxxxx>
To: <discussion@xxxxxxxxx>
Sent: Friday, October 19, 2001 11:54 AM
Subject: [aclug-L] Re: MTAs & maildir vs mbox (was Re: Virtual POP3 and IMAP
server)


>
> 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,
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> > >
> > > --
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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
> > >                   -=  Running Debian GNU/Linux  =-
> >
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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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