On 5/21/2014 12:14 PM, Ian Eiloart <i...@sussex.ac.uk> wrote:
And, it’s not abusive if appropriate SPF checks are done first:
obviously, you don’t do the callout if you get an SPF fail. A callout
with an SPF pass isn’t abusive: if the domain sent me an email, then
it should be able to handle a callout.

You are wrong.

Minimizing the use of SAV is always best if you are going to use it, but you should only use it with sites that you have an understanding and agreement in place where they formally tell you its ok.

Anything else is, indeed, abusive, regardless of your personal opinion on the matter.
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