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Posts Tagged ‘comcast’

Real stats: How sending to old lists will kill your deliverability

Friday, November 21st, 2008

We have a customer with a relatively large list of about 311,000 opt-in subscribers. They’ve been collecting opt-ins from their site for years now.

About 240,000 of them are “old” (inactive) subscribers. About 70,000 are relatively “new” (active) subscribers.

They recently segmented their list and sent the same newsletter to each group (separately) over the same IP address, about 6 hrs apart from each other. Around 2pm, they sent the newsletter to the large, inactive list. Around 8pm, they sent the same newsletter to the active list.

The results are eye-opening…

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Posted in Deliverability, Tips, Tricks, Best Practices | 10 Comments »

Comcast Delivery Tips

Thursday, November 6th, 2008

A couple days ago, Comcast sent an email asking for feedback about their feedback loop. Rare to see an ISP genuinely asking email senders what they think. Anyway, this meant I got to speak with one of their senior spam analysts on the phone today. Now I’ve spoken with a lot of ISPs, and I can tell you this was unlike any other conversation I’ve ever had. Comcast was human. Friendly, even. It was refreshingly Comcastic.

He gave me some tips that I could pass on to our readers. So here you go:

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Posted in Abuse Desk Stories, Deliverability, Spam Topics, Tips, Tricks, Best Practices | 11 Comments »

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