Re: [exim] Really Cool Trick

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Auteur: Ian Eiloart
Date:  
À: Stuart Gall, Martin A. Brooks
CC: exim users
Sujet: Re: [exim] Really Cool Trick


--On 19 October 2006 23:22:42 +0300 Stuart Gall <stuart@???> wrote:

> On 19 Oct 2006, at 21:12, Martin A. Brooks wrote:
>
>> Marc Perkel wrote:
>>
>>> This person only has one user account for the domain with no plans to
>>> ever have more. It's a domain for one person. But he's into IMAP and
>>> likes the idea of direct folder delivery. So if he subscribes to some
>>> new email list what he does is create a folder for that list and then
>>> subscribe using the email address folder@???. The existence of
>>> the folder makes the email address valid.
>>
>> I fail to see the difference between this and delivery to an arbitrary
>> shared folder. Unless I've massively misunderstood what you're doing
>> it's neither a trick, nor cool, it's just a function of your IMAP
>> server.
>
> What he is doing I thing is getting exim to automatically create a
> new account for any local part it receives on the domains it servs.
> That is quite clever.
> However, Marc, there is a huge problem (Assuming I read this right).
> When the domain gets its first dictionary attack (sending spam to
> loads of random local parts)
> You will create hundreds possibly thousands of new mail drops.


Yes, it would probably make more sense to use localpart suffixes, like this:

foo+exim.org@???
foo+amazon.com@???
foo+itunes.com@???


--
Ian Eiloart
IT Services, University of Sussex