On Tue, 12 Jul 2005, Alan J. Flavell wrote:
>
> That's somewhat churlish.  I've frequently encountered situations
> which give SERVFAIL one day (with a 4xx response) and Unrouteable
> (with a 5xx response) on another day.
>
> My response involves a file (or .db if you prefer) listing domains
> which we believe to be unreachable, or not participating properly in
> email, for various reasons (such as SERVFAIL, protocol-violating
> responses, postmaster rejection, abuse mailbox full, and so on).

I personally see little point in expending effort to deal with sites that
have persistently broken DNS.

> I'm not aware of anything in exim itself that could turn this tempfail
> into a permfail - and, indeed, doing that for something involving the
> DNS seems rather risky to me, since occasional DNS glitches are by no
> means unusual.

mx_fail_domains

Tony.
-- 
<[EMAIL PROTECTED]>   <[EMAIL PROTECTED]>   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}}

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