[Exim] sender verification

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Autor: Dan Shoop
Datum:  
To: exim-users
Alte Treads: Re: [Exim] exiscan: Multiple "message=" actions?
Betreff: [Exim] sender verification
Hello,

I have a pretty stock exim configuration with acl_smtp_rcpt acl that
looks like:

acl_check_rcpt:

   accept  hosts = :
   deny    local_parts   = ^.*[@%!/|]
   accept  local_parts   = postmaster
   require verify        = sender/callout
[...]


Now if I understand this correctly, the verify sender should check
that the sender is valid, at least from a delivery standpoint. So I'd
imagine that if a message delivery attempt was made from a
non-existant user at a fake domain that the message would get
rejected, but this doesn't appear to be the case for me:

castor:~ dshoop$ telnet iwiring.net smtp
Trying 67.81.242.48...
Connected to ool-4351f230.dyn.optonline.net.
Escape character is '^]'.
220 iwiring.net ESMTP Exim 4.10 Wed, 28 Jan 2004 16:05:07 -0500
helo bogushostname
250 iwiring.net Hello castor.everwave.com [66.250.187.200]
MAIL FROM: bogus@???
250 OK
RCPT TO: shoop@???
250 Accepted
DATA
354 Enter message, ending with "." on a line by itself
From: bogus@???
To: shoop@???
Subject: test

test msg
.
250 OK id=HS7XA3-000MRE-00
quit
221 iwiring.net closing connection
Connection closed by foreign host.
castor:~ dshoop$


Am I misunderstanding verify sender?
--

-dhan

------------------------------------------------------------------------
Dan Shoop                                              shoop@???
Consulting Internet Architect                              shoop@???
AIM: iWiring


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