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MuuMuuDomain
At MuuMuuDomain, you can set up SPF using the following steps.




Click "Muumuu DNS" from [Domain Operations]
Click "Use" or "Change" displayed to the right of the domain name you want to set.
Select the types and services you want to assign to each domain and subdomain
Click "Change setup information"
When the confirmation pop-up appears, click "OK"
When the pop-up appears indicating the settings have been changed, click "OK."


③Example of SPF settings when using high school coaches email list multiple sending servers
Even if you use multiple sending servers, the SPF record must be written all on one line.

Please note that if you set a record with multiple lines, it will become an invalid SPF record.

For example, if you are using servers named "example.com" and "example2.com", you would write it as follows.





v=spf1 include:_spf.example.com include:spf.example2.com ~all







Check your SPF settings
Once you have set up your SPF record, make sure it is set correctly.

To check, you can use either the free checking tool mentioned above or the command prompt (terminal).

Please note that it may take some time for the settings to be reflected, so if you don't see any changes even though there are no problems with the settings, try waiting for a while.

Also, as a test, send test emails between different domains to check whether they are delivered correctly.



If you have any problems with SPF settings or record descriptions, please contact Arara Message, an email delivery service.


SPF settings are a necessary measure to prevent spoofed emails, a type of spam.

However, when your company distributes email newsletters or other content, you must set up an SPF record so that the email is not regarded as spam by SPF.

When setting up SPF, it is necessary to write the correct records, and some people who do not have knowledge of email systems may find this a source of trouble.

Arara also has knowledge about SPF settings, so please feel free to contact us.

" Arara Message " provided by Arara is an email delivery service that achieves high email delivery rates through optimal tuning that is automatically performed for each destination domain.

In addition to SPF, other email protection measures such as DKIM and S/MIME are also implemented, and we support mass email distribution.