How to set up SPF record for mail in static DNS

How to set up SPF record for mail in static DNS

SPF stands for Sender Policy Framework, a protection against email address spoofing. It identifies the SMTP mail servers authorized to send messages through domain name system (DNS) records.

 

Its purpose is to prevent, for example, a message with the sender fake_user@example.com from sending emails using machines that are not authorized by your domain.

 

 

To configure an SPF record, go directly to Manage DNS from the "Basic services list" in your control panel and follow these steps.

 

1.- Add record

 

In the "DNS Records" list, click on New record and in the "Record type" dropdown select TXT/SPF.

 

Enter the subdomain, the value, and save the record.

 

How is it configured?

 

This protocol is configured using a TXT (DNS) record and generally follows this format:

 

Subdomain: @

Value: v=spf1 mx a ptr ip4:46.16.60.0/23 a:cdmon.com include:srv.cat ~all

 

Where:

v defines the SPF version used (version 1)

a DNS A record of the domain

ptr authorizes machines under the domain

ip4 IPv4 addresses

ip6 IPv6 addresses

~all disallows machines that are not explicitly authorized

 

Once all the data has been entered, save it and the information will be stored.

You can find more information at http://www.open-spf.org/SPF_Record_Syntax/

 

2.- Propagation

 

Your SPF record has now been created. You only need to wait for the changes to propagate, which may take approximately five minutes.

 

For more information, you can contact us.