On 2013-03-07 16:10, Martin N wrote:
>>there's a problem with those, as spammers use these footers as a
>> means of verifying that your email address exists and is having mail
>> read. Once you click on the "unsubscribe" link you've effectively said
>> "yes, I'm here, and I've not blocked your spam, send me MOAR!"
>
>
> I thought they did that anyhow with the transparent 1x1 pixel image
> contained within the email?
That's another verification technique, certainly. Which is why all
decent e-mail clients block loading images by default.
Tony
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