OSEC

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Re: [PATCH] Handle unreachable host in address verification as 200

From: René Nussbaumer (postfixprotection-fault.ch)
Date: Sat Apr 26 2008 - 02:55:40 CDT

On Fri, Apr 25, 2008 at 11:19:22PM +0000, D Hill wrote:
> 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:
>>> 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?

No, but then you loss the advantage of having recipient verification as
you need to maintain the recipient list on the servers anyway.

René

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