Re: [EXIM] Script for decodeing headers...

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Author: Tom
Date:  
To: Sherwood Botsford
CC: Exim List
Subject: Re: [EXIM] Script for decodeing headers...

On Fri, 30 Jan 1998, Sherwood Botsford wrote:

> Has anyone got a perl script for decoding headers. E.g.
> I think it would be cool of have a script that you could feed
> a set of headers to, that would do things like:
>
> A. Check on the existence of the various hosts it came through.


Hosts mentioned may not even be reachable (ex. an internal e-mail
server that passes Internet e-mail to an external machine).

> B. Calculate the time differences for each step of hte way.
> highlighting ones that were unreasonable.


Received headers are notoriously non-standard, and clocks on many mail
servers are wrong.

> C. Attempt to verify that the user in question exists.


Which user? The sender or receiver? Both can already be done by Exim.

> D. Check that the declared from fits the source machine.


Just isn't possible to figure this out.

> E. check that various intermediate machines actually are
> mail exchangers.


This is basically the same as A. See my comments for A.

> E. automate whatever other consistency checks are possible.



Tom


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