--On 15 April 2010 14:01:23 +0200 Jan Groenewald <jan@???> wrote:
> Hi
>
> On Thu, Apr 15, 2010 at 12:37:35PM +0100, Ian Eiloart wrote:
>>>> > For local users, however, the bounce also hits the ACL block,
>>>> > so they get no notification that their message was not delivered :(
>>>> > I have tried adding both of
>>>> >
>>>> > !senders = Mailer-Daemon@???
>>>>
>>>> Bounces don't have that as a sender. Bounces have an _empty_ sender.
>>>> Try !senders = :
>>>
>>> Thanks, that works.
>>>
>>
>> If you're going to block messages with no sender, then you should do
>> this in the DATA ACL, otherwise you'll be unable to deliver email to
>> sites that use sender verification callouts.
>
> This is to ALLOW empty senders, not to BLOCK them.
> Do I misunderstand your comment?\
Sorry. Quite right. I wasn't following the thread properly. My comment is
correct, but not relevant in this thread.
>
>
> PS. We've already had problems with greylisting (we run that)
> and mailing sites that do sender verification. IIRC we solved
> that long ago. Perhaps by whitelisting some of our funders
> who use sender verification, so not really "solved".
>
> regards,
> Jan
>
> --
> .~.
> /V\ Jan Groenewald
> /( )\ www.aims.ac.za
> ^^-^^
--
Ian Eiloart
IT Services, University of Sussex
01273-873148 x3148
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