Re: [exim] CSA - Do I want it?

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Autor: Tony Finch
Datum:  
To: Magnus Holmgren
CC: exim-users
Betreff: Re: [exim] CSA - Do I want it?
On Sun, 7 May 2006, Magnus Holmgren wrote:
>
> My first reaction was "Yuck!". Looks like a really ugly hack to me,
> overloading the SRV RR fields and all. SPF at least uses TXT RR's, which
> has no particular semantics. On the other hand there won't be any
> collisions, as smtp isn't an existing IP protocol. Any other thoughts?


CSA uses SRV records because that means that in the majority of cases a
conformance check only requires one DNS lookup. SPF usually requires many
DNS lookups, and then gives you the wrong answer.

Tony.
--
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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}}