Re: ETRN forward?

From: Pavel Urban (no email)
Date: Wed Nov 14 2007 - 06:17:44 EST

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    Wietse Venema wrote:
    > Pavel Urban:
    >> Hello,
    >>
    >> is it possible to forward ETRN request? I'm planning to add one or more
    >> machines to our backup MX for customers and do DNS balancing. Everything
    >> should work fine, except ETRN. Or does anybody use another solution?
    >
    > Instead of having mail stuck in multiple queues, consider using a
    > fallback-relay host for this purpose, and have customers send their
    > ETRN commands there.
    >
    > Internet -> MX1--\
    > Internet -> MX2---> fallback-relay --> customers
    > Internet -> MX3--/
    >
    > Wietse
    >

    That could work fine; the problem is that this system is also used as a
    relay FROM customers, with the same DNS name. I wanted to avoid the
    situation that all our customers would be supposed to change their
    smarthosts...

    -- 
    ***********************************************************************
    Pavel Urban ()
    O2 system disaster
    Telefonica O2 Czech Republic, a.s. - www.cz.o2.com
    ***********************************************************************
        Vegetables should not operate electronic equipment.
               Computer Stupidities, http://rinkworks.com/stupid/
    ***********************************************************************
    

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