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Comment by dennisgorelik | Hacker News Reader

Today if you try to send a lot of emails from new IP address - most of these emails will go to spam folders (even if emails are legitimate).

In order to send large numbers of emails from an IP address -- you need to gradually ramp up number of emails sent (and have low complaint rate and low bounce rate).

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> In order to send large numbers of emails from an IP address -- you need to gradually ramp up number of emails sent

As a spammer you would not go for dedicated IP; you would rather want to use a shared pool as pissing in a big pool plenty of people who hold their liquids to themselves will help your pee to be less visible and detectable.

Here are samples of my spam box from this week so far, courtesy of Sparkpost (their complaint/spam/abuse mailbox is probably going into null, as I have never received a single response and majority of spam I see these days comes from them)

cristo.cumplirmideseo.com mta609d.sparkpostmail.com

diana.unavidaprospera.com mta678b.sparkpostmail.com

michele.felicidadyprosperidad.com mta717d.sparkpostmail.com

alexa.umavidaprospera.com mta678b.sparkpostmail.com

to.believeinmyfuture.com outbound40.sparkpostmail.com

These are shared pools and finding abusers is harder when you stay in large pool.

Finding abuser is not hard, every message sent have customer id encoded in headers.

It is not hard to identify each abuser, my point is that in a large pool you will have lots of small abusers to go thru and vet. When someone is using dedicated IP that's what it is. Its dedicated so you immediately know whether the actors acts in bed faith or not (perhaps sent a few more-than-usually-spam-looking messages).

I don't know whats going on with Sparkpost honestly. I actually uncovered a large international scam artist (CNN did an investigative reporting on similar one milking population to the tune of $400MM/annul) with over 30 dedicated IPs running thru Sparkpost network, but frankly they don't care. I reported that multiple times and also tried to talk to them about it over twitter but they quickly banned me. I think their rules in terms of anti-spam/anti-scam are more guidelines than rules they abide by. I would imagine someone with such vast setup brings tens of thousands of dollars in revenue, so that makes sense why they would turn a blind eye. Its sad actually, the CNN reporting was about broken families and suicides that were to some degree a result of emails' content that perpetrators sent (like romance-type scams send to seniors in hopes to get them send money oversees).

I guess if Rich Harris sleeps well at night knowing his company abides in scam artists pushing senior citizens into taking their own lives, then the business continues as usual. But its sad IMHO nonetheless...

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