[Asrg] FeedBack loops

[Ian Eiloart]

--On 14 November 2008 09:41:48 -0500 Rich Kulawiec <rsk at gsp.org> wrote:

> On Fri, Nov 14, 2008 at 08:18:31AM -0500, Chris Lewis wrote:
>> The MAAWG sender BCP talks about saying that unsubs should be a "single
>> action", and not require any additional information (eg: "confirmation
>> cycle" or password).
>>
>> Each email message's unsub links should contain everything needed to do
>> an unsub in one action - the user doesn't need to know another password,
>> and then goes on to say that if malicious unsubscriptions are a concern,
>> that "everything" could include a magic cookie that only the recipient
>> of the email sees (in the link) that serves as a password for the unsubs.
>
> This sounds reasonable, but I have some concerns with it.
>
> First, it requires sending individual messages to each subscriber,
> doesn't it?  Which in turn increases mail traffic, because it's no
> longer possible to deliver the same message to some/all subscribers
> at a given MX.

It does. But, 90% of my site's inbound email is to single recipients. And, 
all my outbound list traffic is VERP'd anyway.
...
-- 
Ian Eiloart
IT Services, University of Sussex
x3148