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SPF

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Creating an SPF record

→ Make a list of all your domains from which emails are sent.

→ Make a list of all your IPs from which emails are sent, including:

• web servers
• in-office mail server
• ISPs mail server
• any third-party mail servers

→ Create the SPF entry in a text editor and save it at the end. We recommend using an SPF Record Generator,

Examples:
Example 1: v=spf1 ip4:1.2.3.4 ip4:2.3.4.5 ip4:x.x.x.x -all
Example 2: v=spf1 ip4:1.2.3.4 ip4:2.3.4.5 include:thirdparty.com -all

→ Now create the DNS entry. This entry must be created for each domain from which emails are sent.

Example:
Name of the sub = leave empty
RR type = TXT
Value = the SPF entry with the server IP (use an SPF generator if necessary)

Use an SPF tool e.g SPF Record Generator, in order to ensure that all entries have been set up correctly.