blacklist problems

[Net Llama!]

On Wed, 10 Jan 2007, David Bandel wrote:
> On 1/10/07, Net Llama! <netllama at linux-sxs.org> wrote:
>> On Wed, 10 Jan 2007, David Bandel wrote:
>>> On 1/10/07, Myles Green <rmg57 at telus.net> wrote:
>>>> On Wed, 10 Jan 2007 06:54:09 -0500
>>>> "David Bandel" <david.bandel at gmail.com> wrote:
>>>>
>>>>> Folks,
>>>>>
>>>>> Looks like one of the blacklists I was using is bad -- rejecting
>>>>> everything.  Removed.  Oh, the joys of using blacklists.
>>>>
>>>> Hi David, thanks for the heads-up. Should we re-send any email sent in the
>>>> last (say) couple of hours? Just curious as I sent a query to the list no
>>>> more than an hour a go.
>>>
>>> The reject has been a temporary failure -- try again later.  So the
>>> mail servers should resend.  When they will resend depends on the
>>> requeue time, some folks set that as low as 15 minutes, others at 1
>>> hour or more.
>>
>> Sadly, the retry time for some servers was rather low (like every 5-10
>> minutes), and after X failures, they decided that it was fatal, and mail
>> bounced.
>>
>
> The admins of those servers need to read the RFCs for mail and
> reconfig their servers properly.  Normally, after 4 hours
> (configurable, but for the 20+ years I've admin'd mail servers, this
> is customary), the sender would get a notification that mail was
> delayed, but the server would continue trying for X number of days
> (the X normally being about 5, but again configurable), not X number
> of attempts.  I assume the blatant disregard for the RFCs comes from
> M$ servers.

Actually, it was a Linux server, and it was from a mailing list.  mailman 
was configured to only accept X bounces/retries.

-- 
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Lonni J Friedman                        netllama at linux-sxs.org
LlamaLand				http://netllama.linux-sxs.org