Author: Marc Perkel Date: To: Martin A. Brooks CC: exim users, Stuart Gall Subject: Re: [exim] Really Cool Trick
Martin A. Brooks wrote: > Marc Perkel wrote:
>> Actually that isn't the case. The IMAP folder has to already exist so
>> if someone does a dictionary attack then any local part that doesn't
>> match a folder will be rejected as an unknown user. If the folder
>> already exists them mail is delivered into that folder. If it doesn't
>> exist isn't not created.
>>
>
> So what you're saying is that if a folder exists then mail directed to
> it will be delivered.
> If a folder doesn't exist, mail won't be delivered to it.
>
> In other words, mail to an existing user (therefore existing folder)
> will be delivered, mail to a non-existing user won't.
>
>
