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Tag: snowshoe

Google and Amazon and B2B spam

Many of the operational goals of a commercial spammer aren’t related to email delivery at all, rather they revolve around optimizing ROI and minimizing costs. That’s even more true when the spammer isn’t trying to sell their own product, rather they’re making money by sending spam for other companies. Most legitimate network providers pay at […]

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Ask Laura: Will dedicated IP pools hurt delivery

Dear Laura, Your blog is the best. Nothing else compares for solid deliverability discussion. I’ve frequently read these two articles: I need IP addresses to avoid throttling I need to deliver my mail fast They are incredibly helpful. But I don’t think you’ve ever answered this question directly: “Is it detrimental to use an IP […]

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Bad SPF can hurt your reputation

Can a bad SPF record ruin your delivery, even though all your mail still passes SPF? Yes, it can. One of our clients had issues with poor delivery rates to the inbox at gmail and came to us with the theory that it was due to other people using their domain to send spam to […]

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What causes Spamhaus CSS listings

Today’s Wednesday Question comes from Zaib F. What causes the Spamhaus CSS listing in your experience other than Sender using multiple sets of IPs, to look as if they are a valid sender. Do you think a Spamtrap plays a role? I’ll preface this by saying I don’t know what the specific Spamhaus criteria are […]

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