From: D Hill (d.hillyournetplus.com)
Date: Fri Apr 25 2008 - 18:19:22 CDT

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On Fri, 25 Apr 2008 at 18:53 -0400, wietseporcupine.org confabulated:

> Ren? Nussbaumer:
> [ Charset UTF-8 unsupported, converting... ]
>> On Fri, Apr 25, 2008 at 10:21:13PM +0000, D Hill wrote:
>>> On Sat, 26 Apr 2008 at 00:03 +0200, postfixprotection-fault.ch
>>> confabulated:
>>>> This patch will let you allow to modify the behaviour so your postfix
>>>> will accept the e-mail in the case the primary MX is not reachable.
>>>
>>> I'm not a C programmer. If you accept that message which later on turns out
>>> the recipient does not exist. What happens? If you generate a bounce, you
>>> generate backscatter.
>>
>> Yes, I'm aware of this fact. However, a backup MX should take care of
>> the mail if the primary is currently not reachable.
>
> Then the backup MX host MUST have a valid recipient list.

If the backup MX had a valid recipent list, used
smtpd_reject_unlisted_sender, and relay_recipient_maps, would the patch
even be needed?

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