Re: [exim] BATV & SPF

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Autor: David Saez Padros
Data:  
A: Chris Meadors
CC: exim-users
Assumpte: Re: [exim] BATV & SPF
Hi !!

> I've had servers reject my MAIL FROM: addresses because they don't like
> the '=' or '/' either.


I've seen this problem too and is very strange as "=" is widely used in
mailing list software and also "/" is used by some mta's (novell if i
could remember). I had to deactivate batv signatures on some addresses
because i had problems sending mails to some servers (i.e yahoo, who
seems to just blackhole them)

> The problem becomes that valid hostname character: [a-z], [0-9]
> and '-' are found very often in local parts. So how would one encode a
> BATV signature in a way it could easily be parsed back out of the
> complete address while only using those characters?


maybe instead of prvs=david/0297929b3b@??? the signature could
just be prvs=0297929b3b-david@??? (where the signature is a fixed
lenght hex string) or even prvs-0297929b3b-david@???, this is easy
to recognize and parse.

--
Best regards ...

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