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Every cold email campaign that fails for deliverability reasons has a warmup story behind it. Either the sender skipped warmup entirely and started blasting 500 emails a day from a brand-new domain. Or they ran warmup but stopped too early.
This is serious. This is about your email deliverability. I know from my own experience that these acronyms may sound unfamiliar, scary and may seem totally uninteresting. Or maybe they sound familiar, but you never cared enough to check what they really are. Either way, it's time to learn a bit about what SPF, DKIM and DMARC are and how to set them up in your DNS records for your mail server, if you want to have better control over your email deliverability.
SMTP & IMAP are the two main protocols that allow you to send and receive emails. Why am I even writing about this? Well, sometimes we take crucial things for granted. We use them every day and don't ever think about how they work. I believe that this is one of such things. And I think that it's worth understanding how sending your emails works, especially if you send a lot of them as a part of your job.
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Still wondering why your cold email campaigns get ignored – or worse, land in the spam folder? It’s probably not your pitch or your subject line. Nine times out of ten, the culprit is weak cold email infrastructure. If you’re firing off campaigns from your main domain, skipping DNS setup, or trusting a single inbox to do all the heavy lifting, you’re setting yourself up for disappointment.
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