isp blocking
It’s my first official post for the work blog! With an infographic (sort of) that you can borrow! Over at Kickbox, read about the history of ISP and mailbox provider spam filtering, as remembered by…me! It’s been fun to watch the evolution of email technology, email marketing best practices, spam filtering and more over these past twenty five years. It’s also a good reminder that email is not standing still. It’s not dead tech, it’s not old tech. There’s still new stuff to be learned, every day and every year. Keep learning!That cool graphic I promised? Of course it’s not the one above; I didn’t include it here, as to not spoil the surprise. Click on through to check it out!
Your IP reputation is important. Your domain reputation is important. Your content is important, too.No, really.Well, okay. Of the three, content is third in the ranking. Sometimes a distant third. But it is on the list, and rightly so. Sometimes we here in deliverability land talk about how content doesn’t matter – but that’s not quite correct. Or perhaps it’s more accurate to say that we’re guilty of explaining things too simplistically. Reputation and deliverability success are MOSTLY driven by reputation and reputation is MOSTLY driven by (indirect ISP measures of) permission. Since ISP spam filters can’t really read permission directly, they rely on other signals to try to back into it. And content filtering is a tiny little part of that; trying to infer that a sender is bad because their mail includes content fingerprints or hallmarks that are often found in unsolicited and unwanted mail. Thus, content matters.Here’s…