What makes a good ESP?

There are a number of things that make a responsible ESP, including setting and enforcing standards higher than those set by the ISPs.
One of the responsible ESPs is Mailchimp. (Full disclaimer, I do consult for Mailchimp.) This ESP focuses on businesses with small to medium sized lists. They screen new customers for source of permission as well as mail content.
As well as putting a human in the loop and identifying problem customers manually, they have also developed an automated process that predicts the likelihood that a certain customer will violate their standards. This process is very similar to the reputation process in place at many ISPs. Customers that are flagged as potential problems are reviewed by staff members who contact the customer for further clarification.
What’s the benefit of this process? A good reputation, a clean customer base and positive notice by the ISPs. In fact,  just recently I was contacted by one of the very large consumer ISPs, confirming that Mailchimp is one of my clients. He informed me that he’d noticed a few of the Mailchimp IPs had a really high reputation but weren’t whitelisted. He asked me to send him all of their IPs so he could make sure all their IPs were whitelisted.
Proactive auditing of customers and predictive modeling of mailing results is working for Mailchimp and their customers.
Some ESPs have aggressive cancellation policies, which helps them police their networks and their customers. I often encounter former customers of these ESPs, either as direct clients or as customers of my ESP clients. In one case, I was asking around about a new client at their old ESP. “They tell me they left you under their own power and there was no spam issue involved, can you comment?” The policy person would not comment specifically about that client, but did comment that “95% of our former customers were disconnected for cause.”
These are two examples of ESPs that are working hard to minimize the amount of unwanted mail going through their network. They have invested time and energy into tools and staff to monitor the network. Staff is empowered to make decisions about customers and management believes no customer is “to big to disconnect.”
Tomorrow we’ll look at typical ESPs and their normal practices.

The good, the typical and the ugly
Typical ESPs

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The good, the typical and the ugly

In the theme of the ongoing discussions about ESPs and their role in the email ecosystem, I thought I’d present some examples of how different ESPs work.
The good ESPs are those that set and enforce higher standards than the ISPs. They invest money and time in both proactive and reactive policy enforcement. On Monday I’ll talk about these standards, and the benefits of implementing these policies.
The typical ESPs are those that have standards equivalent to those of the ISPs. They suspend or disconnect customers when the customers generate problems at the ISPs. They have some proactive policy enforcement, but most of their enforcement is reactive. On Tuesday I’ll talk about these standards and how they’re perceived by the ISPs and spam filtering companies.
The ugly ESPs are those that have low standards and few enforcement policies. They let customers send mail without permission. Some of the ugly ESPs even abuse other ESPs to send some of their mail, thus sharing their bad reputations across the industry. On Wednesday I’ll look at some of their practices and discuss how they affect other players in the industry.

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What she said

Jamie Tomasello on the Cloudmark Blog:

ESPs who require and enforce best permission practices should be applying peer and industry pressure within the ESP community to adopt these policies. Ultimately, ESPs need to take responsibility for their clients’ practices. If you are aware that your clients are engaging in questionable or bad practices, address those issues before contacting an ISP or anti-spam vendor to resolve the issue.

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I need IP addresses for reputation

Number one of seven in our occasional series on why ESPs need, or don’t need, lots of IP addresses to send mail properly.

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