Tag: ISP

Yes, Virginia, there is list churn

Yesterday I talked about how data collection, management, and maintenance play a crucial role in deliverability.  I mentioned, briefly, the idea that bad data can accumulate on a list that isn’t well managed. Today I’d like to dig into that a little more and talk about the non-permanence of email addresses. A common statistic used […]


ISP filters are good for marketers

A throwback post from 2010 Attention is a limited resource. Marketing is all about grabbing attention. You can’t run a successful marketing program without first grabbing attention. But attention is a limited resource. There are only so many things a person can remember, focus on or interact with at any one time. In many marketing […]

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ISP relations in a nutshell

Senders: You’re blocking our mail, why? Receivers: Because you’re spamming, stop spamming and we won’t block you. Senders: But we’re not spamming. What do you mean we’re spamming! How could we be spamming, we’re not sending spam! Receivers: You’re doing all these things (generating complaints, sending to dead accounts, hitting spam traps, not bounce handling, […]

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Thoughts on “ISP relations”

I’ve been thinking a lot about the field of ISP relations and what it means and what it actually is. A few years ago the answer was pretty simple. ISP relations is about knowing the right people at ISPs in order to get blocks lifted. The fact that ISPs had staff just to deal with […]

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ISP Relationships

Delivra has a new whitepaper written by Ken Magill talking about the value (or lack thereof) of relationships with ISPs. In Ken’s understated way, he calls baloney on ESPs that claim they have great delivery because they have good relationships with ISPs. He’s right. I get a lot of calls from potential clients and some […]


There is no bat phone

I don’t have much to add to Al’s post about the lack of people to call at different ISPs to get mail delivered. I will say there was a time some ISPs had staff that would deal with senders and blocking problems. But those positions have gradually been eliminated over the last 2 or 3 […]


Hunting the Human Representative

Yesterday’s post was inspired by a number of questions I’ve fielded recently from people in the email industry. Some were clients, some were colleagues on mailing lists, but in most cases they’d found a delivery issue that they couldn’t solve and were looking for the elusive Human Representative of an ISP. There was a time […]


Having the same conversation

This morning I was reading a blog post about the failure of the congressional super committee. The author commented parties can’t reach an agreement if they’re not even having the same conversation. I realized this is just as true in email as it is in politics. All too often we’re not having the same conversation. […]


Mail that looks like spam

One thing I repeat over and over again is to not send mail that looks like spam. Over at the Mailchimp Blog they report some hard data on what looks like spam. The design is simple, they took examples of mail sent by their customers and forwarded them over to Amazon’s Mechanical Turk project to […]

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Optonline problems

I’m hearing from multiple sources that they’ve been having problems getting mail delivered to, and all day. This appears to be affecting senders across the board, from ISPs to ESPs. It looks like something is not working right over there, and hammering retries doesn’t seem to be helping. The best recommendation is […]

  • Lost in the mists of time

    Over on the Farsight Security blog Joe St. Sauver talks about some of the early days of online abuse, on usenet. Laura and I were on the periphery of early usenet abuse, mostly as users, but Usenet (and IRC) around then were the places we both started with email abuse.No Comments

  • Ongoing Yahoo delays

    I've been hearing from folks over the last few days that they're seeing an uptick in deferrals from Yahoo! The deferrals are not uniform. ESPs report they're seeing some, but not all, customers affected. Other ESPs aren't seeing any changes. It's not just you. But it would be very worthwhile to dig into engagement and other stats. It's possible this is a new normal at Yahoo! and they're tightening filters to catch mail that doesn't fit their standards but was previously difficult to filter.No Comments

  • AOL starts using Sender Score Certification

    Good news for Sender Score Certified IPs. Return Path recently announced that AOL has joined the list of ISPs offering preferential treatment to certified IPs.  1 Comment