On Wed, 2003-02-26 at 17:33, Clifton Royston wrote: > On Wed, Feb 26, 2003 at 03:50:44PM -0700, scott wrote: > > On Wed, 2003-02-26 at 15:38, Clifton Royston wrote: > > > On Wed, Feb 26, 2003 at 01:35:16PM -0700, scott wrote: > > > > I'm looking for a Linux-based POP mail proxy to put in my company's DMZ > > > > to field requests from sales personnel running POP clients on the > > > > Internet. The mail these folks need would be on a MS Exchange 5.5 > > > > server, inside on the LAN. I don't want to open ports on the firewall > > > > directly into the Exchange server - rather, I want to add an extra layer > > > > or buffer of security between Exchange and that big bad Net (and I'm not > > > > confident it is a secure enough product anyway). So I'm wondering if > > > > qpopper can fill the bill. I would need to have qpopper use my internal > > > > Active Directory to authenticate users, and allow them to pick up their > > > > POP mail from the Exchange server. Has anyone done a config like this, > > > > or can anyone offer suggestions on using qpopper in this way? > > > > > > Popper can deliver the mail to the user, but it is not a proxy; it > > > includes no features for getting the mail from Exchange to its own > > > server. You could do this with a program such as fetchmail, I suppose, > > > but I am not sure this combination really does what you want. > > > > > > -- Clifton > > > > Well, actually, that sounds like it might just do what I want! But now > > I'll have to find someone, who would know how to get a request from a > > POP client, sent to qpopper, to launch fetchmail, to get the mail off > > the Exchange server, that lived in the house that Jack built. Or > > something like that. Now where would I find one of those??? > > That's just it - I don't think you will. Fetchmail would work OK if > you would want *all* POP mail for certain users to be fed to the > Qpopper server all the time. I don't think it will work to have it > fired off when qpopper is starting up and pull down the mail at that > moment. Qpopper needs to have the mail already waiting on the hard > disk for it once the user authenticates. > > I think you need an actual proxy server for what you want to do, and > presumably one which does a lot of data checking against buffer > overflows, etc. if you want it to protect the security of the Exchange > server. > -- Clifton
Well, OK, so I need an "actual proxy server". Pardon my OT request here, but (before I head off into the sunset with my little dilemma...) I don't know of any such beast. Can anyone name some POP/IMAP proxy servers? Thanks, Scott
