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Tag: throttling

I need IP addresses to avoid throttling

Number three of seven in our occasional series on why ESPs need, or don’t need, lots of IP addresses to send mail properly. I need many IP addresses so that I can work around ISP throttling limits Why this is right: There are ISPs that limit the number of emails that can be sent from […]

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Technology does not trump policy when it comes to delivery

Recently Ken Magill wrote an article looking at how an ESP was attempting to sell him services based on the ESPs ‘high deliverability rates.’ I commented that Ken was right, and I still think he is. Ken has a followup article today. In the first part he thanks Matt Blumberg from Return Path for posting […]

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