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Old 04-11-2005, 11:47 PM   #1
csvke
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Registered: Oct 2003
Location: Hong Kong
Distribution: Slackware
Posts: 96

Rep: Reputation: 15
IMAP + LDAP need advice upon server's spec and distro


Hi all,

Server 1
Dell AS-PE700
P4 2.8 / 512 MB Ram / 2 x 36G Ultra320 in RAID 1

Server 2
HP Proliant ML330
PIII 1G / 128 MB Ram / 9G & 18G Ultra2Wide

Questions:
1. Should I use server 2 to be the email + LDAP server, since emailing seems to be the busiest traffic (300 in/out mails for 15 clients) in the network? (And I shall later on build another Linux Server using server 1 for the rest of the service needed such as MySQL, Apache and Samba etc)

2. What distro(s) ships with sendmail (I believe itís the one for setting up IMAP server) and LDAP service out-of-the-box?

3. My mail client is going to be Eudora? Any particular problem(s) with the above combination?

4. What are the best services for setting up IMAP server and IDAP server?

5. More about question 1: Is it ok in terms of performance to put everything into Server 2 for the following services (15 clients)?

Services required:
Apache + MySQL + PHP (eGroupware)
Sendmail + LDAP (Eudora)
Samba (File sharing with permission in domain environment)
DNS Server, DHCP Server, Firewall



Thanks a lot.
 
Old 04-12-2005, 05:14 AM   #2
MasterC
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Registered: Mar 2002
Location: Salt Lake City, UT - USA
Distribution: Gentoo ; LFS ; Kubuntu
Posts: 12,612

Rep: Reputation: 68
Re: IMAP + LDAP need advice upon server's spec and distro

Quote:
Originally posted by csvke
Hi all,

Server 1
Dell AS-PE700
P4 2.8 / 512 MB Ram / 2 x 36G Ultra320 in RAID 1

Nice
Quote:


Server 2
HP Proliant ML330
PIII 1G / 128 MB Ram / 9G & 18G Ultra2Wide

Questions:
1. Should I use server 2 to be the email + LDAP server, since emailing seems to be the busiest traffic (300 in/out mails for 15 clients) in the network? (And I shall later on build another Linux Server using server 1 for the rest of the service needed such as MySQL, Apache and Samba etc)

You could, and it would probably make the most sense, especially using Server 1 as your SAMBA/MySQL since that will probably be the bulk of your storage, and they are probably a bit more RAM hungry than Postfix/courier-imap.

Quote:
2. What distro(s) ships with sendmail (I believe itís the one for setting up IMAP server) and LDAP service out-of-the-box?
I wouldn't run sendmail personally, but if you REALLY have a deep desire, feel free Postfix is, in several aspects including security, a better choice. As for an imap, you'll use something like courier-imap (if you are implementing Maildir's) or uw imap (for mbox) as your IMAP server, it will integrate with Postfix quite nicely, but regardless if you choose sendmail or Postfix, you'll have a seperate IMAP server; the only exception I know of is Courier. It's an all inclusive mail everything, even a web interface, but can be had as seperate modules to integrate with other MTA's. As for a distro, probably Redhat or SuSE. I'm a Gentoo-ite lately, and it will definitely give you the choice of what you want, but with the caveat of you having to know your options. RH or SuSE are probably the 2 choices I'd look at in your situation.

Quote:
3. My mail client is going to be Eudora? Any particular problem(s) with the above combination?
Nah, if you want to run a POP3 server too, Courier has one of those as well.
Quote:

4. What are the best services for setting up IMAP server and IDAP server?
IMHO:
Courier-Imap wrapped around Postfix using Maildir's. And I don't know really, but I generally use openldap.
Quote:

5. More about question 1: Is it ok in terms of performance to put everything into Server 2 for the following services (15 clients)?

Services required:
Apache + MySQL + PHP (eGroupware)
Sendmail + LDAP (Eudora)
Samba (File sharing with permission in domain environment)
DNS Server, DHCP Server, Firewall



Thanks a lot.
Sounds a bit much for that little of RAM. You can probably get away with your mail server and LDAP server being hosted there, and possibly your DHCP server and Firewall, but I'd probably leave it at that. SAMBA will want the bigger storage, and Apache/MySQL will really want the RAM.

Good Luck!

Cool
 
Old 04-14-2005, 01:55 AM   #3
csvke
Member
 
Registered: Oct 2003
Location: Hong Kong
Distribution: Slackware
Posts: 96

Original Poster
Rep: Reputation: 15
I have decided going to Debian although I previously had experience with Slack & RH9.

Still thinking carefully how to spilt up my hdd but I just found that i have these in my Server2.

/dev/sda - 9G
/dev/sdb - 18G
/dev/sdc - 18G
 
  


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