Re: [fw-wiz] SMTP forwarding question

From: Jim Seymour (jseymour_at_linxnet.com)
Date: 09/30/04

  • Next message: Devdas Bhagat: "Re: [fw-wiz] SMTP forwarding question" 
    To: firewall-wizards@honor.icsalabs.com
Date: Thu, 30 Sep 2004 13:27:18 -0400 (EDT)

    Attila Nagy <bra@fsn.hu> wrote:
    >
    > Hello,
    >
    > I have a problem in my mind and I am curious on what do you think about
    > the possible solutions.
    >
    > The problem: there is a network from which all outgoing SMTP connections
    > should be handled by the company's mail gateway (virus and spam
    > checking, etc) BUT the roaming users must be able to use their
    > companies' SMTP server, possibly via SMTP AUTH (with or without
    > starttls) and/or POP before SMTP (or any other solutions which work over
    > tcp/25).
    [snip]

    First a clarification is in order. When you say "BUT the roaming
    users," whose roaming users is it to which you refer: That company's
    roaming users or roamers visiting that company?

    If they're the company's roaming users, doesn't the company get to set
    the standard by which they are allowed to connect to the company's mail
    server whilst on the road? If not: Said company has at least one
    serious problem.

    If they're roaming users from elsewhere, visiting the company, then I
    would suggest proxying or forwarding outbound ports 465 (SMTPS), 587
    (submission) and 995 (pop3s) and let their individual mail service
    providers worry about supplying the appropriate services on those
    ports.

    Jim
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