Re: [Exim] Sender responds to "try later" by delegating to s…

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Szerző: Philip Hazel
Dátum:  
Címzett: Alan J. Flavell
CC: Exim users list
Tárgy: Re: [Exim] Sender responds to "try later" by delegating to secondary MX
On Tue, 4 Sep 2001, Alan J. Flavell wrote:

> A sender (usually, but not always, a spammer) gets one of these kind
> of responses from us (suitably anonymised):
>
> 2001-09-04 11:55:19 15eDrS-0006Nm-00 rejected from where.ev.er
> (wotsit) [192.168.66.6]: temporarily unable to verify sender address
> <spammer@???> (try later)
>
> The sender then responds to this by sending the message to our
> secondary MX instead - and that server then spends the next few days
> hassling us in good faith to accept the message.


The only "right" way round this problem is to have both primary and
secondary MTAs running the same incoming control policies.

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