🚀 go-pugleaf

Hi there,

Here is what you can do:

1. With 1 ISDN up 24/7 you should set up an E-Mail server on-site.

2. For your mail server you can use "qmail", a very compact and
   reliable mail server, used here for 3 years - never goes down.

   Qmail can be set up to run with the more reliable "/Maildir"
   mailbox setup.  It will also run E-Mail accounts without the
   need to set up "shell" accounts on the Linux box.

   Go to www.qmail.org and take a look.

   There are other mail servers out there like Exim that may be
   more to your liking.  Sendmail is probably the most difficult
   one to set up in a secure fashion.

3. Have your ISP deliver all mail to your mail server by having
   the appropriate settings set on the DNS.

4. All your machines can then get mail via POP3 (Or Imap) from
   your mail server.

5. For your ISDN you need either a decent ISDN router like a Cisco
   801 or a Netgear RT328 (RT338) or if you are on a budget
   then get a NetJet card from Traverse Technology in Melbourne.

   The NetJet is a HiSax Chipset based ISDN card and is supported in
   all newer linux kernels. (2.2.5 and onwards), it costs AU$ 269.-
   and is a PCI card.

   An added advantage is that the card forms one side of a firewall
   interface - add and extra network card and bingo, you have a
   firewall.  Set NAT up as well and you have a good secure system.

   We do that here and it works like a charm on an old Pentium PC,
   firewall, router and ISDN access device all in one.  It can also
   bring up the 2nd ISDN channel with multilink PPP enabled for
   an additional 64K bandwidth on demand.

Hope this helps.

Anthony White
System Admin


Michael Junek wrote:
> 
> Hello all,
> 
> I've been faced with a problem to set up a Linux server to replace a
> problematic Netware one. Essentially this server has to share files to
> windows clients, (i'll use samba), be a http, dns, and dhcp server. they are
> all cool - im good with that. It also it needs to do this funky little thing
> to get and sort the email which im not sure about.
> ok heres what needs to happen:
> 
> i connect to the internet via ISDN....
> at my provider there is an account that holds all of the email for
> @my.domain.com
> this server holds the email for 24 hours until i retrive it.
> i need to access this server via POP and get all of the emails onto my
> server.
> from there i need to look at the user  for examle   joe@my.domain.com
> and send the email to the corresponding account on my linux box (via
> sendmail perhaps, unless if someone else has a better idea)
> from there the user has to have web access to his or her email, but not
> POP......(anyone recommend a good, FREE web email system??)
> any email that cant get sorted to an email account (i.e. no user exists on
> the linux box), needs to be put into a central account
> (postmaster@my.domain.com or something similar)
> 
> if anyone has any clues on how to set up sendmail, fetchmail or any other
> program that they know how to do it with, that would be FANTASTIC!........
> currently this is all handled by a program on the Netware server that doesnt
> do it that well, has many problems.
> 
> also, this server needs to do one other thing.
> we have 2 64k ISDN lines.....what i need it to do is sit there with one line
> connected 24 hours. it needs to monitor the traffic running through this
> line, and when it reaches a certain threshold, to bring up the other line
> and then use channel bonding to double the speed of the link. When the
> bandwidth usage drops back down below a low water mark, it needs to shut
> down the 2nd ISDN line. Again the Netware server is having MAJOR problems
> with this.   This (linux) server will also be running squid as a web cache
> (i have to have about 100 clients handing off these 2 isdns, its a school on
> a low budget).........
> 
> any help on any of these topics would be great
> 
> thanks in advance
> 
> Michael Junek

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