Milter-greylist

I make use of plussed addressing as this allows me to have the wildcard 
address turned off in sendmail but lets me have supplier specific 
addresses.  But there is a problem.  I have just ordered some tickets 
using alan+ticketsupplier@... and am now waiting for the 
confirmation email - the log tells me it has tried and already hit the 
greylisting.

So what I would like is some form of time limited automatic whitelisting. 
I want it to be automatic so that I don't have to presetup anything for 
specific addresses but time limited so that it reverts to normal 
greylisting operation for when the addresss is released to the spam 
community.

As an example, if I used alan+20071007@..., it would be useful to 
configure greylisting to be bypassed for, say, a couple of days after the 
embedded date.  Or even better, to be able to use 
alan+20071007ticketsupplier@...

If this is not a suitable suggestion for including into the greylist 
program itself, is there a facility to run an external program such that I 
could parse the address for a date myself?

-- 
Alan


( Please do not email me AS WELL as replying to the list.  Please
   address personal email to alan+1@ as lists@ is not read. )

Alan Clifford wrote on Sun, 7 Oct 2007 15:33:00 +0100 (BST):

> As an example, if I used alan+20071007@..., it would be useful to
> configure greylisting to be bypassed for, say, a couple of days after the
> embedded date.

But that's already what the program does. It whitelists for a couple of 
days (five by default I think) and if there's no more mail coming from that 
source it will remove it from the whitelist. Further, the whitelisting is 
*not* based on the to address but on the from,server tuple, so even if 
someone else uses that address later it will be subject to greylisting as 
it is *not* put in the whitelist.

I can see some value in being able to use such a format "alan+20071007@" 
nevertheless, but then for *blacklisting*. Something like "do not accept 
mail to this date format marked address" if the date is x days later (or 
earlier).

Kai

-- 
Kai Sch\ufffdtzl, Berlin, Germany
Get your web at Conactive Internet Services: http://www.conactive.com

On Mon, 8 Oct 2007, Kai Schaetzl wrote:

KS> Alan Clifford wrote on Sun, 7 Oct 2007 15:33:00 +0100 (BST):
KS> 
KS> > As an example, if I used alan+20071007@..., it would be useful to
KS> > configure greylisting to be bypassed for, say, a couple of days after the
KS> > embedded date.
KS> 
KS> But that's already what the program does. 

No it doesn't.  It will whitelist subsequent emails only after receipt of 
the first email.

I want to be able to give an email address, as I did yesterday, that is 
unique but doesn't need me to manually set anything up to bypass the 
greylisting for the first, and possibly, the only wanted email.

-- 
Alan


( Please do not email me AS WELL as replying to the list.  Please
  address personal email to alan+1@ as lists@ is not read. )

Alan Clifford <lists@...> wrote:

> I want to be able to give an email address, as I did yesterday, that is
> unique but doesn't need me to manually set anything up to bypass the 
> greylisting for the first, and possibly, the only wanted email.

milter-greylist can query an external URL to learn what it needs to do.
Look for urlcheck in the man page. That can be used to quickly set up
the filter you describe

-- 
Emmanuel Dreyfus
http://hcpnet.free.fr/pubz
manu@...

On Tue, 9 Oct 2007, manu@... wrote:

> Alan Clifford <lists@...> wrote:
>
>> I want to be able to give an email address, as I did yesterday, that is
>> unique but doesn't need me to manually set anything up to bypass the
>> greylisting for the first, and possibly, the only wanted email.
>
> milter-greylist can query an external URL to learn what it needs to do.
> Look for urlcheck in the man page. That can be used to quickly set up
> the filter you describe
>
>

Thanks.  I'll look.  Not there.  I guess milter-greylist-3.0 is a bit old. 
Upgrade time.


-- 
Alan


( Please do not email me AS WELL as replying to the list.  Please
   address personal email to alan+1@ as lists@ is not read. )