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About Mail Server

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About Mail Server

What is a DKIM record?

DKIM comes from the initials of Domain Keys Indentified Mail. DKIM verifies that emails are from a secure source and have not been modified. DKI...

What is a reverse DNS (RDNS)...

DNS records provide the connection between the server and the domain name we own. The biggest reason for the development of DNS is that a name, a...

What is PTR Recording?

PTR or RDNS records are very important for mail. PTR records are essential to perform RDNS authentication. Every PTR record must have an A record...

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