[Exim] E-mail forwarding confusion

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Autor: Odhiambo G. Washington
Data:  
A: exim-users
Assumpte: [Exim] E-mail forwarding confusion
Hello all,

I am not just bit confused. Thoroughly confused. This is about
forwarding services. And I think that I may be wrong in my handling of
forwarded messages.

There is a domain, let's call it domain.tld which has a forwarding
service with another provider.
There is a sender, let's call him wash@???.
There is a mailbox, let's call it dropbox@???

The setup appears to me to work this this:

All mail to *@domain.tld gets delivered to dropbox@???.
The MX for this domain.tld is handled elsewhere, where the forwarding is
done.

So when wash@??? sends an e-mail to SOME_USER@???, I see
the following when the e-mail is finally being delivered to
dropbox@???:


2004-06-03 14:43:11 H=sun.mmic.net [199.166.219.7] U=foobar F=<wash@???> \
rejected RCPT <dropbox@???>: Suspected spoofed sender address. \
Please use smtp authentication to send e-mail

This is because I have a rule like this:


deny  message        = Suspected spoofed the sender address. Please use \
                       smtp authentication to send e-mail.
      !hosts         = +relay_from_hosts
      !authenticated = *
      sender_domains = wananchi.com : [62.8.64.4] : [212.49.74.4]



I suspect I am wrong here, but I don't like the idea of e-mails having
@wananchi.com coming from servers other than 62.8.64.4 or 212.49.74.4
as I have received those severally.

Either my way of doing it is simple, plausible and WRONG, or I am damn
confused.

Better suggestions are welcome.



        cheers
       - wash
+----------------------------------+-----------------------------------------+
Odhiambo Washington                     . WANANCHI ONLINE LTD (Nairobi, KE)  |
<wash at wananchi dot com>              . 1ere Etage, Loita Hse, Loita St.,  |
GSM: (+254) 722 743 223                 . # 10286, 00100 NAIROBI             |
GSM: (+254) 733 744 121                 . (+254) 020 313 985 - 9             |
+---------------------------------+------------------------------------------+
"Oh My God! They killed init! You Bastards!"
                         --from a /. post