CAcert System Admins discussion list

[Wytze van der Raay <wytze AT cacert.org>]

On 01/18/2011 04:00 PM, Mario Lipinski wrote:
> Am 12.01.11 04:32, schrieb CAcert Support:
>> as some of you may notice this is user no. 4 who doesn't receive ping 
>> probes.
>>
>> Could you please have a deep look into that? I suspect something to do with
>> DKIM keys, SPF or something, as it is reproducible over time.
>>
>> I'd call our system unusable with this issue persisting.
>>
>> Pleae reply back to Support once you get an image of the situation.
> 
> We often see problems regarding sending out mails for registration /
> ping etc. I would again vote for just enqueing mail to the mta running
> on the webdb server. This could fix some issues not handled by our
> software correctly. E.g. greylisting etc. just confuse our users and
> could be handled by standard mtas just as expected.

On 01/18/2011 05:24 PM, Dominik George wrote:
> Hmm, that logs from Wytze looked pretyy much like Postfix. Isn't that a
> standard MTA?

Quite right ... we are running Postfix (only for sending) on the webserver,
and it is a pretty standard MTA ... it does retries and deals nicely with
greylisting etc.

So far, the ping problems I have investigated all showed that the messages
were actually delivered to the client's mail server, but somehow disappeared
from there before arriving in client's mail box.

Regards,
-- wytze

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