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Old 01-11-2005, 06:11 AM   #1
Registered: Feb 2001
Location: Badlapur, INDIA
Distribution: debian, Slackware & Small Distros
Posts: 83

Rep: Reputation: 15
Mail Server on Linux thru Proxy!

Dear All,
I have a poor knowledge of Networking. I accept it.

Please can anybody tell me if
I can make a mail server(collector) on my Linux Box which is connects to internet thru proxy.
(I have a win-nt machine connected to internet thru cable modem. Installed a postmaster mail server which collects all mails comming to my
have created n number of virtual mail accounts in postmaster on this machine. Everybody connects to this machine using Eudora/Outlook etc. And collects their email.)

Now I wish to get sendmail / qmail etc on my Linux machine which is connected to the same LAN. And let everybody connect to my Linux machine to collect their email.

1. Is it possible ? Since I may not get access to port 110 of NT machine!
2. If possible. How?

Pls. reply.
Thanks and Hats off to the knowledge being poured on this forum(
Old 01-11-2005, 06:48 AM   #2
Registered: Sep 2004
Location: Texas, USA
Distribution: Fedora
Posts: 620

Rep: Reputation: 31
Since I know nothing about the features/functionality of the NT/Postmaster system you mentioned above, I canonly offer the following suggestions that you can investigate.

1) If possible, configure the postmaster application to forward all e-mail to the linux box instead of the local mailbox.

2) Get rid of the NT box and replace with a linux box configured as proxy/firewall. Install another box behind the firewall that is configured as the e-mail/pop/imap server.

Some applications you should search/investigate (especially fetchmail):

squid - web proxy cache
fetchmail - fetch e-mail from ISP accounts or your NT box
postfix - MTA
shorewall - Firewall configuration frontend
procmail - Store e-mail in local mailbox
spamassassin - Flag e-mail as spam. Can be called ffrom procmail
dovecot - pop/imap server
Old 01-12-2005, 01:30 AM   #3
Registered: Nov 2001
Location: NRW, Germany
Distribution: SLES / FC/ OES / CentOS
Posts: 614

Rep: Reputation: 32


I can only agree to the opinion of 'scowles' get ride of you Window$.

4 years ago we started here with replacing Window$ by Linux at the server side.

The starting is hard but after the first few stepps it really rocks!!!

My idea:


Mailclient---->Linux-Server---->sendmail--->Mailserver from your ISP

So looks our Net (btw don`t forget the firewall).

If you need help just post!

You don`t need much hardware. We use a PII500 for about 200 clients (not all using mail!).
Old 01-12-2005, 02:53 AM   #4
Registered: Feb 2001
Location: Badlapur, INDIA
Distribution: debian, Slackware & Small Distros
Posts: 83

Original Poster
Rep: Reputation: 15
Question small doubt

Thank for your advice. I have got a clear idea of how to do the task.

But I have one doubt.
I use mail server software on NT machine which collects the email from our domain
Anybody sending mail to abc@xyz or comes to (pop3 mail box).

All the emails in this box r sorted by the mail server itself into respective mail boxes viz. abc, hij etc.

My question is whether only sendmail or qmail itself will be able to do the same thing or I will have to apply some other packages along with sendmail or qmail to do the tasks like connecting to my domain on internet, collect all email, sort it in local mailboxes ?

Old 01-13-2005, 01:35 AM   #5
Registered: Nov 2001
Location: NRW, Germany
Distribution: SLES / FC/ OES / CentOS
Posts: 614

Rep: Reputation: 32
What you are thinking about is 'multidrop sendmail' well....

I haven`t used that by now, but maybe you can just google for it....

one moment.....



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