On 08/03/2010 02:05 AM, Edward avanti wrote:
Halo Noel,

On Tue, Aug 3, 2010 at 12:37 AM, Noel Jones <njo...@megan.vbhcs.org <mailto:njo...@megan.vbhcs.org>> wrote:




        It appear from more investigation this cause is SERVFAIL
        always send 4xx, can postifx override to 5xx with setting for
        SERVFAIL ?


    Why in the world would you want to 5xx reject on temporary errors?
     Postfix would be insane to offer such an option.  You will lose
    legit mail anytime there is a DNS hiccup.

Because in some case it is better to tell sender " there is problem" now, not them think mail delivered and 5 day later find out it not.

Then set the delay_warning_time option to a suitable value.

J.

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