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Using DKIM for an email domain
In order to enable the use of DKIM digital signature, go to the Plesk panel, in the Websites and Domains section there is a section called “Mail Settings”. Here you can enable change mail settings for the selected domain.
Check the box next to: “Use the DKIM anti-spam system to sign outgoing messages.”
Click “Apply”
Don't forget to include DKIM and SPF Manage DNS records
1. Log in to your personal account https://billur.com
2. Go to the "Domains" -> "Manage DNS" section
3. Select the domain you need and click the "Edit Zone" button
Edit the TXT entry. If the specified entry does not exist, it must be created.
What is SPF?
Sender Policy Framework is an extension to the SMTP email sending protocol that allows the receiving server to check whether the sender's domain has been spoofed.
SPF allows the domain owner to specify in the TXT record corresponding to the domain name a specially formed string indicating a list of servers that have the right to send email messages with return addresses in this domain.
SPF is enabled by default for all email domains on our hosting.
