![]() ![]() First, what is SPF? We’re not talking about sunblock ratings here. DKIM is closer to SPF than it is to DMARC, which we’ll get to in a moment. But once mailbox providers – the Yahoos and Gmails of the world – know and recognize PayPal’s digital signature, all the scammers pretending to be PayPal are easy to identify.ĭKIM helps mailbox providers decide which emails to block, which ones to filter into the spam folder, and which ones to deliver.ĭKIM is far more effective when coupled with DMARC and SPF. You can also create an endless stream of email addresses to enter as the sending email. ![]() If you’ve ever sent emails using an email platform like Mailjet, you know that you can write anything you want in the ‘From’ field. Here are more historical highlights from the advancement of DKIM. Since then, DKIM has grown in use and popularity as a method for authenticating emails by verifying the sender is who they claim to be. ![]() When these two similar tools were combined, DKIM was born. Yahoo created a tool called Domain Keys and Cisco developed one called Identified Internet Mail. History of DKIMĭKIM originated around 2004 when various email service technology companies began to look for a way to protect email users from spam. Your job is to make sure your emails get delivered, and DKIM makes a huge difference in helping that happen. Some emails should be blocked – the illegitimate ones. It also ensures that the email hasn’t been tampered with during transmission.Īnd this is one reason email deliverability rates should not be 100% across the board. It’s a scammer pretending to be a real company, trying to get you to click on attachments or give up sensitive personal information.ĭKIM helps protect recipients from scams by allowing mailbox providers to distinguish real senders from fake ones. When you get emails claiming to be from big companies like PayPal, Amazon, FedEx, or your bank, telling you your package hasn’t been delivered, or your password has changed, or this invoice is unpaid, that’s spoofing. ![]() We’ve all been on the receiving end of this insidious scam. This problem has gotten worse in recent years in a large part because of email spoofing. DKIM provides a way for mailbox providers (MBPs) like Yahoo and Gmail to verify that an email really does originate from an authorized user of the sending domain listed. It functions like a digital signature by inserting code in the email header, which then gets encrypted. In this post, we’ll show you how to set up DKIM and make your outgoing email more secure.ĭKIM is an email authentication protocol. Together with its sister SPF, DKIM is an absolutely necessary tool for anyone serious about email, especially anyone sending email blasts. Originally developed at Yahoo, DKIM (DomainKeys Identified Mail) has become a global standard in email security. All the while your receiving mail servers remain effective at fighting spammers and cybercrime. But it can turn these numbers around for your email marketing clients so more emails get delivered. It can’t guarantee a 100% delivery rate – probably nothing can. And to be clear – that figure does not include emails that get filtered into the spam folder.ĭKIM offers an effective avenue to overcome this problem. As recently as 2022, the average email deliverability rate was 84.2%, and it’s trending downward. And when you hear all these weird sounding acronyms like DKIM, SPF, and DMARC, your first instinct is probably to run for the hills.īut then, when you encounter statistics revealing that, as of 2020, 20.4% of emails either don’t get delivered at all or end up in spam, you realize how much this problem could affect your ability to get results as an email marketer. You didn’t become an email marketer because you wanted to dive into complicated code all day. ![]()
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