Re[4]: [Exim] Callout verification

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Author: Andy Fletcher
Date:  
To: exim-users
Subject: Re[4]: [Exim] Callout verification
Peter,

Many thanks for pointing this out, the documentation index doesn't
make this clear, from what I can see.

Andy

-----Original Message-----
Thursday, May 6, 2004, 9:13:42 PM, you wrote:


> Andy Fletcher <andy@???> wrote:


>> I don't see any mention of this in the documentation on exim.org -
>> hence why I resorted in posting to the list about it. Apologies if
>> I've overlooked it, but I've read "38.21. Callout verification"
>> several times over the past months, including a quick scan to check my
>> sanity right now - is there anywhere I can find information on this
>> feature?


> New features between major releases are in the 'NewStuff' and 'ChangeLog'
> file in the distribution,
> or online at http://www.exim.org/ftp/ChangeLogs/ - the docs are at 4.30.


> The changes you're interested in are change 71 in 4.31 and change 16 in
> 4.32.


>> Any thoughts on my comments about the stage at which the 5xx is
>> presented and how this is interpreted?


> I don't know how Exim handles the situation - others will chip in I expect.


> Many systems always accept the MAIL FROM and do any rejecting against the
> RCPT TO. Reasons for this - presumably some MTAs have difficulty with a MAIL
> FROM reject (it certainly causes unwanted behavour with some spam engines),
> and also the logic for a reject isn't complete until you've seen the
> recipient - maybe you'd reject null senders to all addresses except
> postmaster, for example.


> PETER




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