Walt Reed wrote:
> On Thu, Mar 29, 2007 at 10:58:42PM +0100, Chris Edwards said:
>   
>> On Thu, 29 Mar 2007, Marc Perkel wrote:
>>
>> | If you search google you'll find that they started blocking Verizon for 
>> | the same thing.
>>
>> [snip]
>>
>> | So - when someone is adding people to spam block lists like me and 
>> | Verizon because we use SAV then that's an issue that is worth discussing.
>>
>> For info, it appears verizon stopped their sender callouts a couple of 
>> weeks ago.  According to our logs, the attempts stopped on 2007-03-15.
>>     
>
> That's a good thing. Their specific implementation did not work well,
> and caused a lot of failures and needless delays for legitimate
> correctly working mail. We have a few newsletters with 100K+
> subscribers, and verizon had the worst delivery time and success rate of
> all the major US ISP's back when I was tracking it last year.
>
> The mantra was "use Verizon for access, but use someone else for mail."
>   

I see your point. Getting SAV right is tricky. Can't imagine doing it 
without Exim.

>
>   
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