---------- Forwarded message ---------- Date: Wed, 5 Jan 2000 13:50:13 -0800 (PST) From: David Lang <[EMAIL PROTECTED]> To: Oguz Demirkapi <[EMAIL PROTECTED]> Subject: Re: Mail Hosting ! On Wed, 5 Jan 2000, Oguz Demirkapi wrote: > Of course RedHat and Slackware are enough secure but we have to think > more about security also. > So what about OpenBSD or FreeBSD ? > a carefully configured linux system is at least as secure as a quickly configured *BSD system, again it comes down to what are you familar with. if you run this behind a firewall the only access will be to your mailer daemons so whatever *nix system you run will be as secure as those daemons, if you don't run it behind a firewall it is more dependant on what other daemons you leave running. > > > >Which hardware . . . ? > > > > 486, Pentium (II, III), Alpha etc. ? > > > > 32 Mb, 64 Mb, 128 Mb . . . RAM ? > > > > 4 Gb, 8 Gb, 20 Gb, 36 Gb . . . HDD ? > > > > > > How many connections simultaneously? I suggest 1MB+ RAM > > > per connection. HDD - at least 10MB in /var per mailbox. > > > - > > As I thought a Pentium II 400 with 128 Mb Ram seems OK. > > We may need a RAID system incase of any risk. > > a good hardware raid will also improve performance (in the non-failure normal mode) > > > For POP server I am still looking for a good server. > > And I want to ask another question. > I think you know Cobalt Systems. > What they are using especially for software ? > For POP/IMAP I reccomend looking at the cyrus server www.cmu.edu/computing/cyrus for an overview and info on the college use of cyrus asg.web.cmu.edu to get cyrus cyrus supports both POP and IMAP and is used by some pretty large orginizations (>100,000 users on a sun, I have heard of others in the ~10,000 range using intel linux). due to the ext2fs directory searching problems, access to a mailbox does slow down if you have more then a few thousand messages in a mailbox Cyrus does include quota support (I have not needed to use it yet) and can be configured to use many different authentication setups (unix password, shadow password, PAM, LDAP, flat file, I have mine checking against a NT server) David Lang - To unsubscribe from this list: send the line "unsubscribe linux-net" in the body of a message to [EMAIL PROTECTED]
