Laura Atkins has a lively discussion going on about Postini’s lack of response to deliverability/blocking questions.

We’ve been frustrated and bewildered by random Postini blocks ourselves (see here and here). We gave up on trying to contact Postini a while ago.

But just recently, we had a customer sending tests to their VERY large client, and consistently getting blocked by their Postini filters.

We eventually got (real, live) people from Postini on the phone.
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