Re: [Exim] MX verification ACL

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著者: Philip Hazel
日付:  
To: Exim Users Mailing List
題目: Re: [Exim] MX verification ACL
On Wed, 22 Jan 2003, Greg A. Woods wrote:

> I would highly recommend that Exim not chase MX target CNAMEs any more
> either, at least not by default.


RFC 2821 specifies that CNAMES pointing to MXs are to be supported. Exim
uses a common function for DNS lookups that has CNAME chasing built-in.
This would have to be suppressed explicitly for the case of looking up
MX target addresses. Is there really a lot to be gained?

--
Philip Hazel            University of Cambridge Computing Service,
ph10@???      Cambridge, England. Phone: +44 1223 334714.