[Wolves] Email help
David Goodwin
david at openminds.co.uk
Fri Apr 16 12:23:09 BST 2004
Jon Farmer wrote:
> David Goodwin wrote:
>
>>>
>>
>> Grey Listing? is this a spam assassin thing? or something else?
>
>
>
> Grey Listing:
>
> On first connect the server gives a Server Busy message which means the
> sending server should try again later. The IP address of the sending
> server is logged and when they try again if the IP matches the log then
> the mail is accepted.
>
> This approach works as most spam these days is sent via hijacked
> machines which do not have spooling facilites.
>
> Regards
>
> Jon
>
Ah. My Ex-Uni does this. It's also quite annoying as it means email
takes significantly longer to arrive.
Is it done with the MTA (sendmail/postfix etc) or some other program?
David.
(Too lazy to google at the moment)
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