Tagthrottling

November 10, 2009

I need IP addresses to avoid throttling

By steve
3 Min read
1 comment
10November

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 a particular IP address in a given time period to quite a low level, as low as 1000 emails per hour per IP address...

September 22, 2009

Technology does not trump policy when it comes to delivery

By laura
4 Min read
4 comments
22September

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 a thoughtful blog post on the piece. Matt did have a very thoughtful article...

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