Re: exim4: how to handle other addresses on my ISP?
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Chris Metzler wrote:
> Here's my situation and what I want:
>
> 1. I have a machine with no domain of its own, in the sense that I
> haven't registered a domain or anything like that. My ISP is
> speakeasy.net. Outgoing email goes to a smarthost. Incoming email
> is pulled in by fetchmail and handed off to exim4.
>
> 2. Various users on this machine have email adresses registered with
> the ISP of the form some_user_name@speakeasy.net. When one of my
> local users sends an outgoing email, exim4 appends "@speakeasy.net"
> to the local username.
>
> 3. Likewise, if you were to send email to one_of_my_users@speakeasy.net,
> fetchmail on my machine should eventually grab it and pass it to exim4 here.
> This apparently means that when I've configured exim4 using dpkg-
> reconfigure, I need to tell exim4 that "speakeasy.net" should be added to
> the list of domains for which this machine should consider itself the final
> destination. If I don't do that, then when exim4 receives from fetchmail
> an email for one_of_my_users@speakeasy.net, exim4 immediately passes that
> email back on to the ISP's smarthost (because we aren't a final destination
> for "@speakeasy.net"), and around and around we go.
>
> 4. But if I do that -- if I tell exim4 that "speakeasy.net" should be
> added to the list of domains for which this machine should consider itself
> the final destination, then that means I'm unable to send email to other
> users of this ISP that have nothing to do with my machine (since they all
> have addresses like some_nonlocal_user@speakeasy.net). Right now, if I
> send an email to some_nonlocal_user@speakeasy.net, exim4 notes that it's
> been told that *I'm* the end destination for email to the domain
> speakeasy.net, and cheerily reminds me that there's no one on this
> machine by that username.
>
> Is there a simple solution to this? Or is it time for me to roll my
> sleeves up and learn exim4 in more detail? If someone can clarify what
> I'm doing wrong through dpkg-reconfigure, or point me at some helpful
> documentation, I'd be very grateful.
Just send your mail to one_of_my_users@localhost and it will be
delivered locally instead of sent to the smarthost. If you specify
localhost, nothing will be added to your address.
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