Hi Frank,

Lot of thanks for your detail information

At 05:31 PM 11/9/2001 +0800, you wrote:
>Its especially secure if run from a chroot jail,, but I don't think thats
>absoloutly necessary.

Could you please explain in more detail about "run from a chroot jail" or 
any pointer shall be appreciated.

>as for hard disk for 50 clients, I will assume you are reffering to the
>var/spool directory, not the whole hard disk,

Yes var/spool directory only.  I assume each of them sends and receives 
10MB email totally per day

>are they 50 users local users or are you worried about the spool getting to
>big?

They are local users

>webmin can configure both sendmail and postfix.. but postfix is easy, go to
>/etc/postfix and read the following:
>(they are full of explanitory comments.)
>
>main.cf         #This is your main config file.
>master.cf       #This is another config that you won't really need unless
>setting up pipes and stuff.
>virtual             # virtual address mapping, essentially to recieve mail for
>domains and redirect them to other non local   .  .               #
>address's.
>canonical           # essentially address rewriting. you probably won't 
>need that.

That shall be sufficient for me to start.  What is "address rewritting" ?

Thanks in advance.

B.R.
Stephen

>-----Original Message-----
>From: [EMAIL PROTECTED]
>[mailto:[EMAIL PROTECTED]]On Behalf Of Stephen Liu
>Sent: Friday, 9 November 2001 3:33 PM
>To: [EMAIL PROTECTED]
>Subject: [expert] Mail server
>
>
>Hi All,
>
>Kindly advise ;
>
>1) What will be the advantage and disadvantage of  Postfix  and  Sendmail ?
>
>2) Which ranks on top ?
>
>3) Which components should be installed for each of them to upgrade a Linux
>box to a mail server ?
>
>4) What shall be the minimum capacity of a hard disc serving 50 clients ?
>
>Thanks in advance.
>
>B.R.
>Stephen Liu


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