Re: [exim] BATV & SPF

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Author: Tony Finch
Date:  
To: David Saez Padros
CC: EXIM mailing list
Subject: Re: [exim] BATV & SPF
On Mon, 22 May 2006, David Saez Padros wrote:
>
> Just playing with BATV i noticed that it could conflict with some (mine
> in that case) SPF setups. If i publish SPF records like "v=spf1
> redirect=%{l}._spf.ols.es" which use the local part of the envelope
> sender to generate a new dns request then batv encoded addresses like
> prvs=david/0297929b3b@??? produce a dns query on
> prvs=david/0297929b3b._spf.ols.es which include two forbiden charactes
> (= and /)


Those characters are absolutely fine in a DNS query. They aren't valid in
host names or mail domains, but then neither is "_". DNS names are a
superset of host names.

Tony.
--
<fanf@???> <dot@???> http://dotat.at/ ${sg{\N${sg{\
N\}{([^N]*)(.)(.)(.*)}{\$1\$3\$2\$1\$3\n\$2\$3\$4\$3\n\$3\$2\$4}}\
\N}{([^N]*)(.)(.)(.*)}{\$1\$3\$2\$1\$3\n\$2\$3\$4\$3\n\$3\$2\$4}}