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What is DKIM?

DKIM, also known as Domain Keys Identified Mail, allows receivers of emails to check whether the email received came from the domain it claims to come from. It helps to prevent phishing and email spam by preventing forged sender addresses.

DKIM attaches a digital signature to each email sent out. The recipient's email system verifies the email's authenticity before sending it to his/her inbox.

Example of DKIM

For example, hotels send out customer experience surveys to customers after they check out of the hotel. These emails are sent out through QuestionPro on behalf of the hotel. Gathering customer feedback is absolutely essential for service improvement. It is necessary to set up DKIM to ensure that the email survey reaches every customer. Provide a digital signature to authenticate that the survey is sent on the hotel's behalf.

Uses of DKIM

Use DKIM in surveys to bypass spam filters. Mailboxes have spam filters that flag emails coming from untrusted domains. DKIM helps protect recipients from receiving scam and phishing emails. For running multiple surveys, reaching out to numerous respondents, excellent deliverability is necessary. DKIM helps in overcoming the shortcomings of undelivered emails by verifying the sender's signature and ensuring that the mail does not land in the receiver's spam folder.

Advantages of DKIM

Here are the advantages of using DKIM to send survey invitations emails:

How to use DKIM in your surveys?

Learn how to set up this feature with our help file on DKIM.

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