How does turning on DKIM impact domain reputation and email deliverability?
Summary
What email marketers say12Marketer opinions
Email marketer from Sendinblue explains that DKIM helps mailbox providers identify and filter spam. By implementing DKIM, you demonstrate that you are a legitimate sender, reducing the likelihood of your emails being marked as spam.
Email marketer from Reddit explains that implementing DKIM without proper setup can negatively affect deliverability temporarily, emphasizing the importance of correct configuration and monitoring.
Email marketer from Litmus explains that DKIM authentication helps to prove that you're a legitimate sender and improves trust in your email program. This reduces the chances that mailbox providers will mark your messages as spam.
Marketer from Email Geeks explains that implementing DKIM may cause a new fingerprint in the Machine Learning, leading to potential issues.
Email marketer from HubSpot shares that DKIM ensures that your email messages aren't altered in transit, which helps protect your reputation and build trust with recipients. By authenticating your emails, you reduce the risk of your messages being flagged as spam.
Marketer from Email Geeks mentions that adding another DKIM signature has caused issues for senders that haven't signed before, and it has felt like DKIM resets any existing unsigned domain rep.
Marketer from Email Geeks states that unsigned domains do not show up in Google Postmaster Tools (GPMT).
Email marketer from Mailjet shares that DKIM helps build trust with email providers, as it verifies that the email genuinely comes from your domain. This trust can improve your sender reputation and, subsequently, your deliverability rates.
Email marketer from Email Marketing Forum shares that DKIM is a crucial factor for improving email deliverability, ensuring that the recipient mail server can verify that the email was indeed sent from the domain it claims to be from.
Email marketer from Postmark shares that implementing DKIM and DMARC helps protect your domain's reputation and ensures that your emails are more likely to reach the inbox. By authenticating your emails, you are sending a clear signal to mailbox providers that you are a legitimate sender.
Email marketer from ActiveCampaign explains that DKIM helps you build a good sender reputation by demonstrating to email providers that you are a legitimate sender. This can lead to better deliverability and inbox placement.
Marketer from Email Geeks shares that they have seen instances where turning on DKIM for the first time has caused deferrals from Gmail, suggesting that it should be treated as a warm-up process.
What the experts say3Expert opinions
Expert from Email Geeks suggests that if possible, the ESP should allow adding an additional signature with the client's domain.
Expert from Spam Resource explains that DKIM can help improve deliverability by allowing receiving mail servers to verify that an email truly originated from the domain it claims to be from. This helps to prevent spoofing and phishing attacks, and can improve your sender reputation.
Expert from Word to the Wise responds that DKIM helps to authenticate email messages, making it more difficult for spammers to forge the 'From' address and improving deliverability by confirming the sender's identity.
What the documentation says5Technical articles
Documentation from dmarcian explains that DKIM provides a mechanism to validate the source and integrity of email messages. While DKIM alone does not guarantee improved deliverability, it's a crucial component of a broader email authentication strategy that can positively influence inbox placement.
Documentation from Microsoft explains that DKIM adds an encrypted signature to the header of email messages. Email systems that receive DKIM-signed email use the public key to verify that the message was not altered after it was sent. Without DKIM, messages sent from your domain might be marked as spam.
Documentation from AuthSMTP explains the DKIM is useful in the correct identification of the sender - making the e-mail appear more trustworthy and in effect improving the delivery rate.
Documentation from Google explains that DKIM helps prevent attackers from forging the sender address in your messages. This increases the chances that your messages are correctly delivered.
Documentation from RFC Editor specifies the DKIM standard, detailing how it provides an authentication method for verifying the domain name identity associated with a message, improving overall email security and trust.